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Old 03-10-10, 06:07 PM   #1
sbeatonNJ
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Surface only sidewall tear?

So I have a Conti gp4000s on the front wheel of my track bike. I know that if I get a sidewall tear with tube sticking out it should go in the dumpster. However, I have one with what looks like a very very small tear but upon closer inspection it is only on the outside and has not made its way through to the inside of the tire. If you just looked at the inside you would not know there is any damage to the outside. It looks just like the tire scraped against something, not like a slice. Any chance I can get a few more miles out of it?
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Old 03-10-10, 06:13 PM   #2
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Try some super glue.



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Old 03-10-10, 06:15 PM   #3
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Sure. Just keep an eye on it, and make sure you carry a spare tube and some tire booting with you.
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Old 03-10-10, 08:22 PM   #4
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So I have a Conti gp4000s on the front wheel of my track bike. I know that if I get a sidewall tear with tube sticking out it should go in the dumpster. However, I have one with what looks like a very very small tear but upon closer inspection it is only on the outside and has not made its way through to the inside of the tire. If you just looked at the inside you would not know there is any damage to the outside. It looks just like the tire scraped against something, not like a slice. Any chance I can get a few more miles out of it?
If there is no noticeable bulge when tyre is inflated and the cords are obviously not cut underneath then it's fine.
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Old 03-10-10, 08:33 PM   #5
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Id replace the tire instead of taking a needless risk.
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Old 03-10-10, 08:34 PM   #6
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Id replace the tire instead of taking a needless risk.
... yeah let's ignore the fact that there is a method to directly test whether the risk is real or not.
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Old 03-10-10, 08:46 PM   #7
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If there's no cut cords, you're fine.

You may be able to get away with some very slight damage to the carcass (like only through one ply), but if it means more than a tiny bulge, the tyre's no good.
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Old 03-14-10, 05:55 PM   #8
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... yeah let's ignore the fact that there is a method to directly test whether the risk is real or not.
Okay, whatever, do what you want, itll be your encounter with the pavement, not mine.
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Old 03-15-10, 05:24 AM   #9
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put it on the back.
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Old 03-15-10, 07:17 AM   #10
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Okay, whatever, do what you want, itll be your encounter with the pavement, not mine.
actually, even with cut cords, tires are extremely resilient if you put some cloth behind the hole to patch it, as long as the hole isn't too big.
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Old 03-15-10, 08:29 AM   #11
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I've had rips like that before. With just a little super glue on the outside and a tube patch on the inside of the tire, I've gotten plenty more miles out of them without the damage expanding or causing an incident.

Just remember, tire blowouts suck, so keep an eye on it!!
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