• Riding through the years.

    From Tom Kunich@21:1/5 to All on Sun Jan 5 00:12:48 2025
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot of my riding now is solo. This largely because the group is aging and losing the ability to do the rides that I still do. Saturday rides are easy rides but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

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  • From AMuzi@21:1/5 to Tom Kunich on Sun Jan 5 10:01:03 2025
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot of my riding now is solo. This largely because the group is aging and losing the ability to do the rides that I still do. Saturday rides are easy rides but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but if he did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

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  • From Mark J cleary@21:1/5 to AMuzi on Sun Jan 5 14:05:12 2025
    On 1/5/2025 10:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot
    of my
    riding now is solo. This largely because the group is aging and losing
    the
    ability to do the rides that I still do. Saturday rides are easy rides
    but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but
    if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.


    Winter snow advisory but so far that has not happen and will not be as
    bad as they originally said around here. However like Andrew it was 12
    degrees this AM I did a power walk on the treadmill and then 26 on the
    indoor trainer.

    The usual happens in this with the weatherman. They started about 3 days
    ago announcing winter storm warning dire of course. Then by Friday
    afternoon all the grocery stores getting huge business and flocking of
    people.

    They always just say the worse and hope for the best that way nothing
    can be said. But if truth be known it is winter in Illinois and stuff
    happens. Finally, do people ever keep a stash of food around the house.
    I tell you it is just me here and Trixie bur she has dog food and is
    small. I have always had the pantry stock with items I need just in
    case. COVID only made it more obvious. So I have plenty of food in an
    emergency but me thinks no one plans ahead.

    --
    Deacon Mark

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  • From Roger Merriman@21:1/5 to AMuzi on Sun Jan 5 20:47:03 2025
    AMuzi <am@yellowjersey.org> wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot of my >> riding now is solo. This largely because the group is aging and losing the >> ability to do the rides that I still do. Saturday rides are easy rides but >> on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but if he >> did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.


    I was next to Cutty Sark this morning post a family wedding, quite a bit
    warmer assuming you’re using Fahrenheit though wet. Been snow west and
    north on higher lands though not massively so.

    London has a handful of snow plows etc in fact has more of the wee sweepers that they use for segregated bike lanes and similar places than full sized
    ones as well it’s very rare that London snows and settles.

    Even back in wales it’s much less common than it used to be, plus drivers particularly the commercial ones were much more used to snow.

    Remember a new boy at school waiting for the bus expecting to have snow
    day, being disappointed when the school bus that came without issue, as
    well the school buses came from a local firm up on the hill/gorge side so
    snow wasn’t going to bother them, quite used to driving in it.

    Roger Merriman

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  • From AMuzi@21:1/5 to Roger Merriman on Sun Jan 5 15:06:12 2025
    On 1/5/2025 2:47 PM, Roger Merriman wrote:
    AMuzi <am@yellowjersey.org> wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>> Now there are about 6 of us that ride together on and off. But a lot of my >>> riding now is solo. This largely because the group is aging and losing the >>> ability to do the rides that I still do. Saturday rides are easy rides but >>> on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but if he >>> did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.


    I was next to Cutty Sark this morning post a family wedding, quite a bit warmer assuming you’re using Fahrenheit though wet. Been snow west and north on higher lands though not massively so.

    London has a handful of snow plows etc in fact has more of the wee sweepers that they use for segregated bike lanes and similar places than full sized ones as well it’s very rare that London snows and settles.

    Even back in wales it’s much less common than it used to be, plus drivers particularly the commercial ones were much more used to snow.

    Remember a new boy at school waiting for the bus expecting to have snow
    day, being disappointed when the school bus that came without issue, as
    well the school buses came from a local firm up on the hill/gorge side so snow wasn’t going to bother them, quite used to driving in it.

    Roger Merriman

    My days of waking up with one are long gone:

    https://www.platinaliquor.com/uploads/products/3400.jpg?v=B2

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

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  • From Roger Merriman@21:1/5 to AMuzi on Sun Jan 5 21:33:36 2025
    AMuzi <am@yellowjersey.org> wrote:
    On 1/5/2025 2:47 PM, Roger Merriman wrote:
    AMuzi <am@yellowjersey.org> wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>> Now there are about 6 of us that ride together on and off. But a lot of my >>>> riding now is solo. This largely because the group is aging and losing the >>>> ability to do the rides that I still do. Saturday rides are easy rides but >>>> on the way out to the coffee stop, they ride harder than I care to, and >>>> then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but if he >>>> did he would drop me like a stone since he is 20 years younger than me. >>>> And he would freeze to death at the top waiting for me. So the group id >>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>
    Four degrees at dawn today. I skipped; too damned cold.


    I was next to Cutty Sark this morning post a family wedding, quite a bit
    warmer assuming you’re using Fahrenheit though wet. Been snow west and
    north on higher lands though not massively so.

    London has a handful of snow plows etc in fact has more of the wee sweepers >> that they use for segregated bike lanes and similar places than full sized >> ones as well it’s very rare that London snows and settles.

    Even back in wales it’s much less common than it used to be, plus drivers >> particularly the commercial ones were much more used to snow.

    Remember a new boy at school waiting for the bus expecting to have snow
    day, being disappointed when the school bus that came without issue, as
    well the school buses came from a local firm up on the hill/gorge side so
    snow wasn’t going to bother them, quite used to driving in it.

    Roger Merriman

    My days of waking up with one are long gone:

    https://www.platinaliquor.com/uploads/products/3400.jpg?v=B2

    Ah sadly or actually not I can’t tolerate alcohol nor do I miss it to be honest! I have to be touch careful as even 0% alcohol beers etc aren’t 0% which is annoying enough to make me feel mildly ill likewise the occasional fancy soft drinks etc, cooked food is always fine, desserts I just swerve.

    As ever it’s a minor inconvenience for the privilege of still being alive
    and so on!

    Roger Merriman

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  • From Jeff Liebermann@21:1/5 to frkrygow@sbcglobal.net on Sun Jan 5 20:43:32 2025
    On Sun, 5 Jan 2025 21:36:02 -0500, Frank Krygowski
    <frkrygow@sbcglobal.net> wrote:

    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>> Now there are about 6 of us that ride together on and off. But a lot
    of my
    riding now is solo. This largely because the group is aging and losing
    the
    ability to do the rides that I still do. Saturday rides are easy rides
    but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but
    if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper >radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.

    For masochists who enjoy such puzzles:

    "Sherlock Holmes and the Bicycle Tracks" <https://mathweb.ucsd.edu/~ebender/87/bicycle.pdf>

    "The Adventure of the Priory School". <https://sherlock-holm.es/stories/pdf/a4/2-sided/prio.pdf>


    --
    Jeff Liebermann jeffl@cruzio.com
    PO Box 272 http://www.LearnByDestroying.com
    Ben Lomond CA 95005-0272
    Skype: JeffLiebermann AE6KS 831-336-2558

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  • From Catrike Rider@21:1/5 to Roger Merriman on Mon Jan 6 05:50:50 2025
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>> Now there are about 6 of us that ride together on and off. But a lot
    of my
    riding now is solo. This largely because the group is aging and losing >>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>> then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but
    if he
    did he would drop me like a stone since he is 20 years younger than me. >>>> And he would freeze to death at the top waiting for me. So the group id >>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the
    forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper
    radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Roger Merriman@21:1/5 to Frank Krygowski on Mon Jan 6 10:27:40 2025
    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>> Now there are about 6 of us that ride together on and off. But a lot
    of my
    riding now is solo. This largely because the group is aging and losing
    the
    ability to do the rides that I still do. Saturday rides are easy rides
    but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but
    if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Roger Merriman@21:1/5 to Catrike Rider on Mon Jan 6 13:50:05 2025
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>>> Now there are about 6 of us that ride together on and off. But a lot >>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>> then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>> And he would freeze to death at the top waiting for me. So the group id >>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the
    forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper >>> radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    Some tyres yes did be directional depending on front or rear, though
    doesn’t seem many if any at moment, I think perhaps combo of being
    confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are directional and only one
    way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional but are cosmetic!
    Does I guess show wear rate and how old tyre is, they don’t tend to wear
    out but get cut up and become puncture prone eventually.

    Roger Merriman

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  • From AMuzi@21:1/5 to Catrike Rider on Mon Jan 6 08:15:10 2025
    On 1/6/2025 4:50 AM, Catrike Rider wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>>> Now there are about 6 of us that ride together on and off. But a lot >>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>> then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>> And he would freeze to death at the top waiting for me. So the group id >>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the
    forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper >>> radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    +1

    Why are there direction arrows on fully smooth road tires?

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Catrike Rider@21:1/5 to AMuzi on Mon Jan 6 10:32:27 2025
    On Mon, 6 Jan 2025 08:15:10 -0600, AMuzi <am@yellowjersey.org> wrote:

    On 1/6/2025 4:50 AM, Catrike Rider wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>>>> Now there are about 6 of us that ride together on and off. But a lot >>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>>> then on the return trips they are riding a lot slower having burned >>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>>> And he would freeze to death at the top waiting for me. So the group id >>>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>>>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell >>>> the front tire track from the rear because the front track has a sharper >>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have >>>> spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue, >>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    +1

    Why are there direction arrows on fully smooth road tires?

    I know they're there on my Schwalbe HS20s, but I pay no attention to
    them.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Catrike Rider@21:1/5 to soloman@old.bikers.org on Mon Jan 6 10:38:48 2025
    On Mon, 06 Jan 2025 10:32:27 -0500, Catrike Rider
    <soloman@old.bikers.org> wrote:

    On Mon, 6 Jan 2025 08:15:10 -0600, AMuzi <am@yellowjersey.org> wrote:

    On 1/6/2025 4:50 AM, Catrike Rider wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>>>> then on the return trips they are riding a lot slower having burned >>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>>>> And he would freeze to death at the top waiting for me. So the group id >>>>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell >>>>> the front tire track from the rear because the front track has a sharper >>>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>> information. The tracks were straight on one short steep hill, which >>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>> spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue, >>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    +1

    Why are there direction arrows on fully smooth road tires?

    I know they're there on my Schwalbe HS20s, but I pay no attention to
    them.

    Makw that Schwalbe HS420s

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Radey Shouman@21:1/5 to Roger Merriman on Mon Jan 6 13:26:07 2025
    Roger Merriman <roger@sarlet.com> writes:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>> Now there are about 6 of us that ride together on and off. But a lot
    of my
    riding now is solo. This largely because the group is aging and losing >>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>> then on the return trips they are riding a lot slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North Palomares route but
    if he
    did he would drop me like a stone since he is 20 years younger than me. >>>> And he would freeze to death at the top waiting for me. So the group id >>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the
    forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell
    the front tire track from the rear because the front track has a sharper
    radius of curvature. But which direction? (Arthur Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have
    spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    On the other hand, a Sherlockian villain would likely put them on
    backwards, just to confuse the issue. I doubt that performance would be
    much reduced.
    --

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Zen Cycle@21:1/5 to Roger Merriman on Mon Jan 6 14:45:46 2025
    On 1/6/2025 8:50 AM, Roger Merriman wrote:
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group. >>>>>> Now there are about 6 of us that ride together on and off. But a lot >>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>>> then on the return trips they are riding a lot slower having burned >>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>>> And he would freeze to death at the top waiting for me. So the group id >>>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the
    packed-down snow on one gravel roadway. His tires weren't wider than 32mm. >>>>
    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell >>>> the front tire track from the rear because the front track has a sharper >>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra
    information. The tracks were straight on one short steep hill, which
    seemed to be a clue that he descended it instead of climbing it. (In
    addition to wobbling a bit on a climb, I think his rear tire might have >>>> spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue, >>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    Some tyres yes did be directional depending on front or rear, though doesn’t seem many if any at moment, I think perhaps combo of being confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are directional and only one
    way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional but are cosmetic!
    Does I guess show wear rate and how old tyre is, they don’t tend to wear out but get cut up and become puncture prone eventually.

    Roger Merriman


    I read an article in Velo news a very long time ago when mountain biking
    was first becoming big on MTB tread design. The article basically said
    the only things that matter with MTB tire design are the size and
    spacing of the lugs. Direction of the tread doesn't really matter. One
    specific thing I remember from the article was an engineer they
    interviewed from Specialized who said tread pattern is overrated at
    best. The quote I remember was "we could make a tire that leaves your
    name in the tire print and it would be as good as any tire on the market".

    The only caveat there is that was when tires were rarely outside 1.95 to
    2.35". Bikes back then weren't being built to handle any more than that.
    These days, I've noticed more of a difference in width than anything,
    which is why I'm running 2.8R/3.0F on my FS.

    --
    Add xx to reply

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Roger Merriman@21:1/5 to Zen Cycle on Mon Jan 6 22:54:05 2025
    Zen Cycle <funkmaster@hotmail.com> wrote:
    On 1/6/2025 8:50 AM, Roger Merriman wrote:
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and >>>>>>> then on the return trips they are riding a lot slower having burned >>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me. >>>>>>> And he would freeze to death at the top waiting for me. So the group id >>>>>>> sging out from under me. Or too young snd too fast to ride at my speed. >>>>>>
    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the
    direction a bike was going from its tracks. It's not easy! I could tell >>>>> the front tire track from the rear because the front track has a sharper >>>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>> information. The tracks were straight on one short steep hill, which >>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>> spun a bit climbing it.) I was also looking for an obstacle that he
    would have swerved a bit to clear, which would have given another clue, >>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    Some tyres yes did be directional depending on front or rear, though
    doesn’t seem many if any at moment, I think perhaps combo of being
    confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are directional and only one
    way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional but are cosmetic!
    Does I guess show wear rate and how old tyre is, they don’t tend to wear >> out but get cut up and become puncture prone eventually.

    Roger Merriman


    I read an article in Velo news a very long time ago when mountain biking
    was first becoming big on MTB tread design. The article basically said
    the only things that matter with MTB tire design are the size and
    spacing of the lugs. Direction of the tread doesn't really matter. One specific thing I remember from the article was an engineer they
    interviewed from Specialized who said tread pattern is overrated at
    best. The quote I remember was "we could make a tire that leaves your
    name in the tire print and it would be as good as any tire on the market".

    I’d add also add the caveat that Specialized while they do have one of the iconic MTB models, there tyres particularly MTB have never got beyond Meh,
    not bad but not perceived as kinda okay and tend to review as such.

    Unlike in the Gravel space where the Pathfinder gets some love as the
    racers like semi slicks.

    I’d also note that in the DH space trimming knobs down and/or adding cuts, particularly as if one is sponsored maybe a gap in your sponsors line up.

    The only caveat there is that was when tires were rarely outside 1.95 to 2.35". Bikes back then weren't being built to handle any more than that. These days, I've noticed more of a difference in width than anything,
    which is why I'm running 2.8R/3.0F on my FS.

    I run 2.4/2.35 which is about right but tyres on the burly end of trail so Magic Mary up front which lives up to its name in that it manages to grip
    from slop to the hard pack only downside being not the lightest of fastest rolling, it’s shoulders are definitely shaped as to why and would it make a difference?

    Even just the front tyre makes a difference to the bike handling as has a slightly more square shape than the Hans which I had on front/rear before, which is noticeable on tarmac though isn’t a thing once off road, though do notice the increased grip and mud clearance, it’s about the same on harder surfaces.

    It’s not quite a full race spike but it’s very close but unlike those or other dedicated mud tyres they aren’t lethal on wet roots and what not.

    It’s broadly similar in construction to others in the Schwalbe lineup ie it’s the knobs that seem to make the difference, in its ability to grip in loose and wet conditions.

    Roger Merriman

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Roger Merriman@21:1/5 to Catrike Rider on Mon Jan 6 22:54:05 2025
    Catrike Rider <soloman@old.bikers.org> wrote:
    On Mon, 06 Jan 2025 10:32:27 -0500, Catrike Rider
    <soloman@old.bikers.org> wrote:

    On Mon, 6 Jan 2025 08:15:10 -0600, AMuzi <am@yellowjersey.org> wrote:

    On 1/6/2025 4:50 AM, Catrike Rider wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned >>>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the >>>>>> direction a bike was going from its tracks. It's not easy! I could tell >>>>>> the front tire track from the rear because the front track has a sharper >>>>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>>> information. The tracks were straight on one short steep hill, which >>>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>>> spun a bit climbing it.) I was also looking for an obstacle that he >>>>>> would have swerved a bit to clear, which would have given another clue, >>>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>>>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    +1

    Why are there direction arrows on fully smooth road tires?

    I know they're there on my Schwalbe HS20s, but I pay no attention to
    them.

    Makw that Schwalbe HS420s

    Like the big apples I run on the commute bike, the tread is essentially cosmetic for most part and while I do put them on the right way around and valve to logo etc, it doesn’t make any difference!

    Roger Merriman

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Roger Merriman@21:1/5 to Frank Krygowski on Mon Jan 6 22:56:36 2025
    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/6/2025 9:15 AM, AMuzi wrote:

    Why are there direction arrows on fully smooth road tires?

    There are - or at least, were - directional arrows on some motorcycle
    tires. IIRC, on Dunlop K81s that I used on a previous motorcycle.

    Tread was symmetrical. I assume there's something relevant in the
    internal construction.


    That doesn’t seem terribly likely to be honest ie tyre construction seems
    to be uniform so not aware of any way of shaping that almost certainly is cosmetic?

    Roger Merriman

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Zen Cycle@21:1/5 to Roger Merriman on Mon Jan 6 18:03:13 2025
    On 1/6/2025 5:54 PM, Roger Merriman wrote:
    Zen Cycle <funkmaster@hotmail.com> wrote:
    On 1/6/2025 8:50 AM, Roger Merriman wrote:
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>>> of my
    riding now is solo. This largely because the group is aging and losing >>>>>>>> the
    ability to do the rides that I still do. Saturday rides are easy rides >>>>>>>> but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned >>>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the >>>>>> direction a bike was going from its tracks. It's not easy! I could tell >>>>>> the front tire track from the rear because the front track has a sharper >>>>>> radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>>> information. The tracks were straight on one short steep hill, which >>>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>>> spun a bit climbing it.) I was also looking for an obstacle that he >>>>>> would have swerved a bit to clear, which would have given another clue, >>>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough >>>>> to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other
    on the front vs the back. Even road tires have directional tread, but
    I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    Some tyres yes did be directional depending on front or rear, though
    doesn’t seem many if any at moment, I think perhaps combo of being
    confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are directional and only one
    way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional but are cosmetic! >>> Does I guess show wear rate and how old tyre is, they don’t tend to wear >>> out but get cut up and become puncture prone eventually.

    Roger Merriman


    I read an article in Velo news a very long time ago when mountain biking
    was first becoming big on MTB tread design. The article basically said
    the only things that matter with MTB tire design are the size and
    spacing of the lugs. Direction of the tread doesn't really matter. One
    specific thing I remember from the article was an engineer they
    interviewed from Specialized who said tread pattern is overrated at
    best. The quote I remember was "we could make a tire that leaves your
    name in the tire print and it would be as good as any tire on the market".

    I’d add also add the caveat that Specialized while they do have one of the iconic MTB models, there tyres particularly MTB have never got beyond Meh, not bad but not perceived as kinda okay and tend to review as such.

    This was in the early 90's, they were pretty close to the best available
    back then.


    Unlike in the Gravel space where the Pathfinder gets some love as the
    racers like semi slicks.

    I’d also note that in the DH space trimming knobs down and/or adding cuts, particularly as if one is sponsored maybe a gap in your sponsors line up.

    The only caveat there is that was when tires were rarely outside 1.95 to
    2.35". Bikes back then weren't being built to handle any more than that.
    These days, I've noticed more of a difference in width than anything,
    which is why I'm running 2.8R/3.0F on my FS.

    I run 2.4/2.35 which is about right but tyres on the burly end of trail so Magic Mary up front which lives up to its name in that it manages to grip from slop to the hard pack only downside being not the lightest of fastest rolling, it’s shoulders are definitely shaped as to why and would it make a difference?

    Even just the front tyre makes a difference to the bike handling as has a slightly more square shape than the Hans which I had on front/rear before, which is noticeable on tarmac though isn’t a thing once off road, though do notice the increased grip and mud clearance, it’s about the same on harder surfaces.

    It’s not quite a full race spike but it’s very close but unlike those or other dedicated mud tyres they aren’t lethal on wet roots and what not.

    It’s broadly similar in construction to others in the Schwalbe lineup ie it’s the knobs that seem to make the difference, in its ability to grip in loose and wet conditions.

    I'm running the WTB Rangers, haven't had any complaints.


    Roger Merriman




    --
    Add xx to reply

    --- SoupGate-Win32 v1.05
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  • From AMuzi@21:1/5 to Zen Cycle on Mon Jan 6 17:10:11 2025
    On 1/6/2025 5:03 PM, Zen Cycle wrote:
    On 1/6/2025 5:54 PM, Roger Merriman wrote:
    Zen Cycle <funkmaster@hotmail.com> wrote:
    On 1/6/2025 8:50 AM, Roger Merriman wrote:
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman
    <roger@sarlet.com> wrote:

    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently
    with a fair sized group.
    Now there are about 6 of us that ride together on
    and off. But a lot
    of my
    riding now is solo. This largely because the group
    is aging and losing
    the
    ability to do the rides that I still do. Saturday
    rides are easy rides
    but
    on the way out to the coffee stop, they ride harder
    than I care to, and
    then on the return trips they are riding a lot
    slower having burned
    themselve out.

    Perhaps one of them is capable of doing my North
    Palomares route but
    if he
    did he would drop me like a stone since he is 20
    years younger than me.
    And he would freeze to death at the top waiting for
    me. So the group id
    sging out from under me. Or too young snd too fast
    to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I
    took a walk in the
    forest preserve instead.

    I saw someone had ridden a bike through there, based
    on tracks in the
    packed-down snow on one gravel roadway. His tires
    weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to
    determine the
    direction a bike was going from its tracks. It's not
    easy! I could tell
    the front tire track from the rear because the front
    track has a sharper
    radius of curvature. But which direction? (Arthur
    Conan Doyle got this
    puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually,
    but from extra
    information. The tracks were straight on one short
    steep hill, which
    seemed to be a clue that he descended it instead of
    climbing it. (In
    addition to wobbling a bit on a climb, I think his
    rear tire might have
    spun a bit climbing it.) I was also looking for an
    obstacle that he
    would have swerved a bit to clear, which would have
    given another clue,
    but didn't spot one.


    Some MTB and gravel treads are directional so if the
    snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing
    opposite each other
    on the front vs the back. Even road tires have
    directional tread, but
    I once read a blurb from Schwhalbe where they admitted
    that the
    direction of the tread on their road tires was only for
    looks.

    Some tyres yes did be directional depending on front or
    rear, though
    doesn’t seem many if any at moment, I think perhaps
    combo of being
    confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are
    directional and only one
    way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional
    but are cosmetic!
    Does I guess show wear rate and how old tyre is, they
    don’t tend to wear
    out but get cut up and become puncture prone eventually.

    Roger Merriman


    I read an article in Velo news a very long time ago when
    mountain biking
    was first becoming big on MTB tread design. The article
    basically said
    the only things that matter with MTB tire design are the
    size and
    spacing of the lugs. Direction of the tread doesn't
    really matter. One
    specific thing I remember from the article was an
    engineer they
    interviewed from Specialized who said tread pattern is
    overrated at
    best. The quote I remember was "we could make a tire that
    leaves your
    name in the tire print and it would be as good as any
    tire on the market".

    I’d add also add the caveat that Specialized while they do
    have one of the
    iconic MTB models, there tyres particularly MTB have never
    got beyond Meh,
    not bad but not perceived as kinda okay and tend to review
    as such.

    This was in the early 90's, they were pretty close to the
    best available back then.


    Unlike in the Gravel space where the Pathfinder gets some
    love as the
    racers like semi slicks.

    I’d also note that in the DH space trimming knobs down
    and/or adding cuts,
    particularly as if one is sponsored maybe a gap in your
    sponsors line up.

    The only caveat there is that was when tires were rarely
    outside 1.95 to
    2.35". Bikes back then weren't being built to handle any
    more than that.
    These days, I've noticed more of a difference in width
    than anything,
    which is why I'm running 2.8R/3.0F on my FS.

    I run 2.4/2.35 which is about right but tyres on the burly
    end of trail so
    Magic Mary up front which lives up to its name in that it
    manages to grip
    from slop to the hard pack only downside being not the
    lightest of fastest
    rolling, it’s shoulders are definitely shaped as to why
    and would it make a
    difference?

    Even just the front tyre makes a difference to the bike
    handling as has a
    slightly more square shape than the Hans which I had on
    front/rear before,
    which is noticeable on tarmac though isn’t a thing once
    off road, though do
    notice the increased grip and mud clearance, it’s about
    the same on harder
    surfaces.

    It’s not quite a full race spike but it’s very close but
    unlike those or
    other dedicated mud tyres they aren’t lethal on wet roots
    and what not.

    It’s broadly similar in construction to others in the
    Schwalbe lineup ie
    it’s the knobs that seem to make the difference, in its
    ability to grip in
    loose and wet conditions.

    I'm running the WTB Rangers, haven't had any complaints.


    Roger Merriman





    Specialized tires were/are made by a LOT of vendors, so all
    that depends on model and year. They vary as much as
    anyone's tire line if not more.

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

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  • From Catrike Rider@21:1/5 to Roger Merriman on Mon Jan 6 18:28:48 2025
    On 6 Jan 2025 22:54:05 GMT, Roger Merriman <roger@sarlet.com> wrote:

    Catrike Rider <soloman@old.bikers.org> wrote:
    On Mon, 06 Jan 2025 10:32:27 -0500, Catrike Rider
    <soloman@old.bikers.org> wrote:

    On Mon, 6 Jan 2025 08:15:10 -0600, AMuzi <am@yellowjersey.org> wrote:

    On 1/6/2025 4:50 AM, Catrike Rider wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote: >>>>>
    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>>>> of my
    riding now is solo. This largely because the group is aging and losing
    the
    ability to do the rides that I still do. Saturday rides are easy rides
    but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned >>>>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the >>>>>>> direction a bike was going from its tracks. It's not easy! I could tell >>>>>>> the front tire track from the rear because the front track has a sharper
    radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>>>> information. The tracks were straight on one short steep hill, which >>>>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>>>> spun a bit climbing it.) I was also looking for an obstacle that he >>>>>>> would have swerved a bit to clear, which would have given another clue, >>>>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other >>>>> on the front vs the back. Even road tires have directional tread, but >>>>> I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    +1

    Why are there direction arrows on fully smooth road tires?

    I know they're there on my Schwalbe HS20s, but I pay no attention to
    them.

    Makw that Schwalbe HS420s

    Like the big apples I run on the commute bike, the tread is essentially >cosmetic for most part and while I do put them on the right way around and >valve to logo etc, it doesn’t make any difference!

    Roger Merriman


    I don't even look for the little arrow and pay no attention to the
    directional tread when I mount tires. I know that right now my left
    front is mounted the "wrong way, and I only know it by looking at the
    tread pattern. The right is "correct," and I don't see the rear when
    I'm riding.

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  • From Roger Merriman@21:1/5 to Zen Cycle on Tue Jan 7 21:09:12 2025
    Zen Cycle <funkmaster@hotmail.com> wrote:
    On 1/6/2025 5:54 PM, Roger Merriman wrote:
    Zen Cycle <funkmaster@hotmail.com> wrote:
    On 1/6/2025 8:50 AM, Roger Merriman wrote:
    Catrike Rider <soloman@old.bikers.org> wrote:
    On 6 Jan 2025 10:27:40 GMT, Roger Merriman <roger@sarlet.com> wrote: >>>>>
    Frank Krygowski <frkrygow@sbcglobal.net> wrote:
    On 1/5/2025 11:01 AM, AMuzi wrote:
    On 1/4/2025 6:12 PM, Tom Kunich wrote:
    I ride almost 4 times a week and until recently with a fair sized group.
    Now there are about 6 of us that ride together on and off. But a lot >>>>>>>>> of my
    riding now is solo. This largely because the group is aging and losing
    the
    ability to do the rides that I still do. Saturday rides are easy rides
    but
    on the way out to the coffee stop, they ride harder than I care to, and
    then on the return trips they are riding a lot slower having burned >>>>>>>>> themselve out.

    Perhaps one of them is capable of doing my North Palomares route but >>>>>>>>> if he
    did he would drop me like a stone since he is 20 years younger than me.
    And he would freeze to death at the top waiting for me. So the group id
    sging out from under me. Or too young snd too fast to ride at my speed.

    Four degrees at dawn today. I skipped; too damned cold.

    Warmer than that today, but still too cold for me. I took a walk in the >>>>>>> forest preserve instead.

    I saw someone had ridden a bike through there, based on tracks in the >>>>>>> packed-down snow on one gravel roadway. His tires weren't wider than 32mm.

    It got me thinking about the old puzzle of trying to determine the >>>>>>> direction a bike was going from its tracks. It's not easy! I could tell >>>>>>> the front tire track from the rear because the front track has a sharper
    radius of curvature. But which direction? (Arthur Conan Doyle got this >>>>>>> puzzle wrong in one Sherlock story.)

    I'm pretty sure I was able to work it out eventually, but from extra >>>>>>> information. The tracks were straight on one short steep hill, which >>>>>>> seemed to be a clue that he descended it instead of climbing it. (In >>>>>>> addition to wobbling a bit on a climb, I think his rear tire might have >>>>>>> spun a bit climbing it.) I was also looking for an obstacle that he >>>>>>> would have swerved a bit to clear, which would have given another clue, >>>>>>> but didn't spot one.


    Some MTB and gravel treads are directional so if the snow is crisp enough
    to work out the tire pattern that is one potential clue.

    Roger Merriman

    As I understand it, the treads should be pointing opposite each other >>>>> on the front vs the back. Even road tires have directional tread, but >>>>> I once read a blurb from Schwhalbe where they admitted that the
    direction of the tread on their road tires was only for looks.

    Some tyres yes did be directional depending on front or rear, though
    doesn’t seem many if any at moment, I think perhaps combo of being
    confusing and being designed for two different uses?

    The Front tyres on my MTB and Gravel bikes are directional and only one >>>> way, the rears are unidirectional.

    The tread on the Big Apples are apparently directional but are cosmetic! >>>> Does I guess show wear rate and how old tyre is, they don’t tend to wear >>>> out but get cut up and become puncture prone eventually.

    Roger Merriman


    I read an article in Velo news a very long time ago when mountain biking >>> was first becoming big on MTB tread design. The article basically said
    the only things that matter with MTB tire design are the size and
    spacing of the lugs. Direction of the tread doesn't really matter. One
    specific thing I remember from the article was an engineer they
    interviewed from Specialized who said tread pattern is overrated at
    best. The quote I remember was "we could make a tire that leaves your
    name in the tire print and it would be as good as any tire on the market". >>
    I’d add also add the caveat that Specialized while they do have one of the >> iconic MTB models, there tyres particularly MTB have never got beyond Meh, >> not bad but not perceived as kinda okay and tend to review as such.

    This was in the early 90's, they were pretty close to the best available
    back then.

    That’s more Panaracer Smoke/Dart era I’d agree that then the difference wasn’t much though at the time I went for IRC mud mads which where
    fantastic in mud or wet loose and indeed snow, but lethal on anything hard.

    I’d agree though that I that era tyres where much more so so, and for
    general MTB tyres not a lot of design in the tread though the mud tyres
    where shaped etc to get mechanical grip.


    Unlike in the Gravel space where the Pathfinder gets some love as the
    racers like semi slicks.

    I’d also note that in the DH space trimming knobs down and/or adding cuts, >> particularly as if one is sponsored maybe a gap in your sponsors line up. >>>
    The only caveat there is that was when tires were rarely outside 1.95 to >>> 2.35". Bikes back then weren't being built to handle any more than that. >>> These days, I've noticed more of a difference in width than anything,
    which is why I'm running 2.8R/3.0F on my FS.

    I run 2.4/2.35 which is about right but tyres on the burly end of trail so >> Magic Mary up front which lives up to its name in that it manages to grip
    from slop to the hard pack only downside being not the lightest of fastest >> rolling, it’s shoulders are definitely shaped as to why and would it make a
    difference?

    Even just the front tyre makes a difference to the bike handling as has a
    slightly more square shape than the Hans which I had on front/rear before, >> which is noticeable on tarmac though isn’t a thing once off road, though do
    notice the increased grip and mud clearance, it’s about the same on harder >> surfaces.

    It’s not quite a full race spike but it’s very close but unlike those or >> other dedicated mud tyres they aren’t lethal on wet roots and what not.

    It’s broadly similar in construction to others in the Schwalbe lineup ie >> it’s the knobs that seem to make the difference, in its ability to grip in >> loose and wet conditions.

    I'm running the WTB Rangers, haven't had any complaints.

    Those seem to be the other side of trail to my tyres which are DH or Enduro inspired/paired down but still fairly heavy, robust and have significant
    knob height and size.

    Where the Rangers are to the XC side of trail DownCountry to use the buzz
    word even! Ie with a lighter weight and lower knob height and so on, which probably means a difference in intended use and conditions.

    Roger Merriman




    Roger Merriman

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  • From AMuzi@21:1/5 to cyclintom on Sun Jan 12 13:58:44 2025
    On 1/12/2025 1:49 PM, cyclintom wrote:
    On Mon Jan 6 13:26:07 2025 Radey Shouman wrote:

    On the other hand, a Sherlockian villain would likely put them on
    backwards, just to confuse the issue. I doubt that performance would be
    much reduced.




    It is very easy to tell the direction that a bicycle is going from it's tread prints in snow or mud. The rear tire crossing the front tracks leaves a ridge on either side. In this manner you can tell which direction the front tire was going. There is
    no need for directional tread on the tires.

    Yes, the rear does always follow the front, as Mr Doyle
    wrote in the original. That does not, as later critics
    noted, tell the observer anything about direction.

    To deduce direction, one looks at the wheel arc paths, which
    are asymmetric before and after a turn and also when
    climbing or descending.

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

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