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Repairing torn sidewall

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Repairing torn sidewall

Old 09-23-10, 01:14 PM
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Repairing torn sidewall

Background:

I have probably a 2-3 mm puncture in the sidewall of a fairly new Continental GP 4000. However, the tire tube was poking out under pressure, indicating an eventual blowout if I continued to ride on the tire.

Fix:
So I cut out about an inch long section of sidewall from an older gatorskin tire, and used gorilla glue to attach to the inside of the tire.

Question:
I am confident that the additional side wall will structurally (as the side of the patch, and the structure of the patch is actually stronger than the original sidewall, as it is a gatorskin). However, will the additional material on the inside of the tire result in potential issues with the tube inside?

In other words - will the additional sidewall, sitting above the rest of the tube inside, result in puncture points at the edge of the patch because it is too thick?


Note - I searched the forum, but found almost all other fixes involving either lesser patches, or sewing of the sidewall (which is not necessary)

Thanks in advance,

VT Biker

Last edited by VT Biker; 09-23-10 at 01:14 PM. Reason: grammatical
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Old 09-23-10, 01:31 PM
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I rode a tire like that, which also happened to be a GP4000, for nearly 2 months without incident. I don't know that I'd trust it as a permanent fix though, I used it just long enough to save up a few bucks to buy a whole new set of tires.
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Old 09-23-10, 01:37 PM
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I piece of duct tape over the patch will help.
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Old 09-23-10, 01:42 PM
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I had the same issue with a GP4000 tire with less than 50 miles on it. I was going to glue a patch on the inside like you did. I showed to a wheel builder near me and he said, that I couldn't trust it. I heard mostly the same thing from this forum. So, I will eventually use it as a trainer tire. If it fails while I am on the trainer, no damage with come to me or the wheel.

PBK has good deals on GP4000 tires.
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Old 09-23-10, 02:00 PM
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sho goo or something like that maybe?
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Old 09-23-10, 02:14 PM
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I use boots on cuts like this all the time without issues. Next time, just cut the bead off of an old tire and cut chunks about 2" long; insert this in the tire and it will stay in place without glue. I have worn out tires with boots in them without a problem.
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Old 09-23-10, 02:18 PM
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temp fix to get home: boot

proper fix: pick tire, add to cart, checkout.
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Old 09-23-10, 02:20 PM
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I used a piece of denim, attached with super glue, in an attempt to salvage a Pro3. It worked for a while. I soon gave up on the tires, though, because of excessive fragility. The patch didn't have any effect on the tube.
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Old 09-23-10, 02:27 PM
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Sounds like an issue with Continental 4000's. I liked them because I felt I could use them for both racing and training, without needing to switch out. But apparently, the Vectran sidewalls are not holding up too well.
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Old 09-23-10, 02:28 PM
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Originally Posted by jrennie
temp fix to get home: boot

proper fix: pick tire, add to cart, checkout.
+1
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Old 09-23-10, 02:29 PM
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Originally Posted by 10 Wheels
I piece of duct tape over the patch will help.
That is a great idea. I may just do the trick. However, trainer tire sounds like the best option.
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Old 09-23-10, 02:48 PM
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Originally Posted by jrennie
temp fix to get home: boot

proper fix: pick tire, add to cart, checkout.
this is also known as the "fifty dollar bill trick" for fixing sidewall failures...
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Old 09-23-10, 03:02 PM
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Originally Posted by jrennie
temp fix to get home: boot

proper fix: pick tire, add to cart, checkout.

+2
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Old 09-23-10, 04:15 PM
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Originally Posted by VT Biker
Sounds like an issue with Continental 4000's. I liked them because I felt I could use them for both racing and training, without needing to switch out. But apparently, the Vectran sidewalls are not holding up too well.
The issue I had was with an older GP4000s not the ones with the black chili powder which are suppose to more durable.
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Old 09-23-10, 04:19 PM
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Good idea if you never exceed 10 mph. Just start thinking about your tire going to hell at 40 and you'll buy a new one. You'll hate doing it, but you'll do it.

+1 trainer tire too.
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