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#11
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#12
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Peter Chisholm writes:
If you screw up gluing your tires on and get a bunch of glue on your tire sidewalls, is there any easy way to get this off? Also, I have this habitual problem where I end up really struggling to get the last section of the tire over the rim (this is what causes the mess). I stretch the tires before I put them on. How can I prevent this problem? Acetone Tip, when gluing on, use a 'solvent' brush, a little metal handles brush available at your hardware store. Glue carefully, just on the base tape. Use a few layers, thin, instead of one thick one. Glue in this order... tire, rim, tire, rim, tire, rim... put on, letting glue dry a wee bit between applications, except for the last rim one. Pull on the tire, ya can get your fingers onto the tire(glue dry-ish on the tire, remember?) and the wet glue on the rim will allow it to be centered. clean off with acetone. Essential you stretch the tires also. I have 4-5 stretching in my garage all the time. Put new tire onto old wheel or rim, even a clincher rim/wheel, inflate to maximum, let sit. If the garage is warmish, good thing... 'cured' tubies last longer. Oh! I thought we got over "steel frames getting soft" and "tubular tires getting more durable with age". Please explain what improves when the volatile parts of the tire elastomers evaporate that makes them better. These storied were ones that enabled bicycle shops to sell tubulars and racing bicycles in winter when demand was near zero. That's old hat. Any good bicycle shop has bicycles for all seasons these days and doesn't need to tell fables for sales. |
#14
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Peter Chisholm writes:
If the garage is warmish, good thing... 'cured' tubies last longer. Oh! I thought we got over "steel frames getting soft" and "tubular tires getting more durable with age". Please explain what improves when the volatile parts of the tire elastomers evaporate that makes them better. These stories were ones that enabled bicycle shops to sell tubulars and racing bicycles in winter when demand was near zero. That's old hat. Any good bicycle shop has bicycles for all seasons these days and doesn't need to tell fables for sales. Geee Jobst, you are so predictable... The little 'smiley' at the bottom was for YOU. I can mention tying and soldering and Delta brakes and can almost predict how long it will take you to 'respond'!! I was KIDDIING!!!! If you humor requires symbols and tea leaves to discover, it is missing its goal. With the amount of standard bicycle beliefs you put forth on occasions, some of the quips seem consistent with the rest of the things you post. If you get misunderstood, maybe you should review your writing rather than push it off to reader error. Aging tubulars falls in the same category as belief in tread patterns (directional no less) for road tires. I don't believe all the supporters of that subject are joking either. |
#15
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wrote: Peter Chisholm writes: If you humor requires symbols and tea leaves to discover, it is missing its goal. With the amount of standard bicycle beliefs you put forth on occasions, some of the quips seem consistent with the rest of the things you post. If you get misunderstood, maybe you should review your writing rather than push it off to reader error. Aging tubulars falls in the same category as belief in tread patterns (directional no less) for road tires. I don't believe all the supporters of that subject are joking either. sigh............... |
#16
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wrote:
If you humor requires symbols and tea leaves to discover, it is missing its goal. With the amount of standard bicycle beliefs you put forth on occasions, some of the quips seem consistent with the rest of the things you post. If you get misunderstood, maybe you should review your writing rather than push it off to reader error. Aging tubulars falls in the same category as belief in tread patterns (directional no less) for road tires. I don't believe all the supporters of that subject are joking either. Regardless of the tread pattern, I always mount my tubulars with the decals on the drive side. Greg Hall |
#17
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Qui si parla Campagnolo wrote:
wrote: Peter Chisholm writes: If you humor requires symbols and tea leaves to discover, it is missing its goal. With the amount of standard bicycle beliefs you put forth on occasions, some of the quips seem consistent with the rest of the things you post. If you get misunderstood, maybe you should review your writing rather than push it off to reader error. Aging tubulars falls in the same category as belief in tread patterns (directional no less) for road tires. I don't believe all the supporters of that subject are joking either. sigh............... Bingo. |
#18
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wrote: Big snip This happened a couple of times showing that hard cornering does not roll at tire, lift off in cornering and subsequent side impact does. (Gulp)I hate to argue with Jobst, but on one occasion at the velodrome I chose to ride a properly inflated tubular tire with no glue - or rather, I tried to ride it. I forget what I was trying to prove (apart from my having some sort of death wish), but the fact is I got no more than one quarter of the way around the track before the bike started sounding strange and handling unpredictably. I stopped - the first sensible thing I had done that day - and looked at the non-glued tire on the front wheel. It had turned itself nearly inside out for most of the circumference of the wheel so that you could see most of the rim tape. I went home at this point and have never felt like repeating the experiment. Perhaps riding on the steeply canted track is not like normal riding? Does it put an unusual side load on the wheels? If not, what caused the tire to roll? Nigel Grinter Well-Spoken Wheels Inc. www.wellspokenwheels.com |
#19
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Greg Hall writes:
If your humor requires symbols and tea leaves to discover, it is missing its goal. With the amount of standard bicycle beliefs you put forth on occasions, some of the quips seem consistent with the rest of the things you post. If you get misunderstood, maybe you should review your writing rather than push it off to reader error. Aging tubulars falls in the same category as belief in tread patterns (directional no less) for road tires. I don't believe all the supporters of that subject are joking either. Regardless of the tread pattern, I always mount my tubulars with the decals on the drive side. That's interesting because I put the label of clinchers on the left side of rear wheels so that when changing tubes for a flat, I can see where on the tire the perforation occurred. I mount rear tires from the left side to avoid involvement with grimy sprockets. What is the reason for your choice? |
#20
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Nigel Grinter writes:
This happened a couple of times showing that hard cornering does not roll at tire, lift off in cornering and subsequent side impact does. On one occasion at the velodrome I chose to ride a properly inflated tubular tire with no glue - or rather, I tried to ride it. I forget what I was trying to prove (apart from my having some sort of death wish), but the fact is I got no more than one quarter of the way around the track before the bike started sounding strange and handling unpredictably. I stopped - the first sensible thing I had done that day - and looked at the non-glued tire on the front wheel. It had turned itself nearly inside out for most of the circumference of the wheel so that you could see most of the rim tape. I went home at this point and have never felt like repeating the experiment. I you snipped off the part where I said that glue prevents creep while the tire holds itself in place by constriction. Your tire crept from the asymmetric load. Drawing a diagram of a tubular on a rim, you'll see that at 45 degree lean the center of pressure still lies safely within the bounds of tire-to-rim contact. Had you ridden a course with left and right bends, the tire may have crept slightly but it would not have rolled over or come off. Perhaps riding on the steeply canted track is not like normal riding? Does it put an unusual side load on the wheels? If not, what caused the tire to roll? There is no difference except that one does not ride in fast circles on roads so that a 30+ degree lean is constantly to one side... as it might be riding down a spiral parking garage ramp (which is a helix). |
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