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Peculiar issue with tire casing and flatting.

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Peculiar issue with tire casing and flatting.

Old 01-25-15, 04:44 PM
  #1  
Pedalin' Erry Day
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Peculiar issue with tire casing and flatting.

So yesterday, about eight hours after a ride, I was surprised by the noise of a tube on the bike I'd ridden earlier suddenly deflating as if a blowout had occured. I'd had no issues during the ride earlier in the day, nor this was a tube I'd previously patched, and upon inspection I found an obvious leak in the tube along the seam next to the valve stem, no debris inside the tire or rim. The only unusual thing I found was that the tire (a Challenge Parigi-Roubaix clincher) and tube had become bonded together in several spots*, and a thin layer of the inner casing of the tire peeled off with the tube, though this had not happened near where the flat finally developed. Here's what it looked like:


Now I would just write this off as being a freak incident caused by a defect with the tube, if this wasn't the second time I've had a flat occur in the exact same way - especially since the first time it did involved a different wheel, different bike, and a different tire (another Challenge P-R).

I'm wondering if anyone else has experienced this or knows what causes it (either the tire sticking to the tube, or the flats) and what, if anything, can be done to prevent it from happening in the future? I absolutely love P-R tires and will keep using them, but it's not pleasant to imagine a tire suddenly deflating for no apparent reason in the middle of a ride.


* - note that this bike has always been stored inside, away from sunlight and heat, and not near any kind of chemical storage
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Old 01-25-15, 05:20 PM
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yes, if a tire/tube hasn't been removed for a while, like a year or more, they may bond a little. can't say that i recall any puncture as a result. maybe use some talc? and i've had a tire "let loose" apparently on it's own a couple of times. i figure it's just a case of when your time is up, it's up.

BTW, i just took a second look at that tire. and i would have to say, despite "living in a glass house", that's it's pretty old looking.
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Old 01-26-15, 06:52 AM
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Put a little baby powder in the tire or on the tube before installing.
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