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Hi guys,

I was wandering if anybody has suffered the same problem. I have just brought some Michellin pro race 3 tyres for my bike, and have done about 100 miles on them since i have had them. but today i suffered a puncture, putting a small slice about 3-4mm long accross the run line.
What i want to know is is it essential to change the tyres every time this happens, or will a new inner tube do?
I have a feeling the answer is clear, but wanted to know from other people.
Many thanks

5 comments

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abudhabiChris [692 posts] 6 years ago
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If the cut is thin I'd say not. I've run tyres for ages with decent gashes in them.

The most important consideration is whether the gap opens up when the tube is inflated, or if you can start to see the tube popping through like a hernia.

In that case, yes the tyre is finished.

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funkystevey04 [3 posts] 6 years ago
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Thanks abudhabiChris, I have just pumped the tyre up to full pressure, and it doesnt look good. I have a 100 mile run next weekend, so looks like im gonna have to bite the bullet.

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cactuscat [284 posts] 6 years ago
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you can always boot it from the inside, use a proper park tyre boot, a big patch or anything else that comes to hand. i've used energy gel wrappers, sportive numbers and even roadside chocolate wrappers in the past  1

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Zaskar [133 posts] 6 years ago
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Safety first.

Boot kits although used by many, are great to get you home.

When training get a tougher tyre, I had free racing tyres with my new wheels, I've never used them and been using Michelin Kyrlions as they are a bit tougher and longer mileage.

New tyre time. Why take a risk to your health. (Sure it sucks to pay out but £25-40 is nothing compared to new dental work)

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cat1commuter [1421 posts] 6 years ago
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I have found that superglue works well to mend fresh cuts in tyres. Take the tyre off the wheel, and clean the cut before you apply the glue.

This is fine as long as the cut is only in the tread, not through a lot of the fabric of the carcass.