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Tire: OK to ride it or change it now?

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Tire: OK to ride it or change it now?

Old 06-29-12, 10:34 AM
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Tire: OK to ride it or change it now?

I am on my third set of Schwalbe Ultremo ZX 700x23 tires.
Until now they have performed extremely well and I am very happy with them.
My new front tire has about 300-400 miles on it. 'Strings' have been coming off of the sidewall just above the wheel rim. Enough have come off the tire that cord is now visible.
Do you think it is OK to continue riding these tires or is there a safety issue where the sidewall might blow out while I am riding?
Thanks for your help.









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Old 06-29-12, 10:40 AM
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I wouldn't risk my life for the price of a tire.
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Old 06-29-12, 10:46 AM
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Sometimes those loose strings don't mean anything, but this one looks dangerous.
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Old 06-29-12, 11:07 AM
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I don't think your life is at risk.

Might be best to change the front tire.
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Old 06-29-12, 11:12 AM
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I wouldn't ride that. It probably wouldn't blow out on it's own, but I wouldn't trust it to hold up as well as a normal tire hitting an unseen pothole, rock, or other piece of debris.
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Old 06-29-12, 11:22 AM
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Originally Posted by dramiscram
I wouldn't risk my life for the price of a tire.
It's not a matter of life and death. Tires blow all the time we don't hear of staggering death and injuries statistics.

OTOH, it is a matter of convenience, and how willing you are to walk home. This tire will blow fairly soon, and since you won't have a spare, you'll need to carry a cell phone, and some dough for transportation home.

For a commuter, order a tire and keep riding it until the replacement arrives (a few days) otherwise don't go far.

BTW- check your brake shoes, odds are that one is high and gently rubbing the wire when you stop.
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Old 06-29-12, 01:10 PM
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I don't think it is a problem unless the sidewall casing has become compromised, and that hasn't happened until the tire starts to lose its shape. If the sidewall is coming apart, the tire will develop a side-to-side wiggle that you can see when the wheel is spinning, and probably feel while you are riding.

Also, next time a thread is hanging loose, don't pull it out and remove two feet of thread - cut it carefully as close to the tire as you can. Imagine the thread is like a hangnail - you can rip it out with brute force, but it is less painful to cut it with nail clippers.
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Old 06-29-12, 02:08 PM
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Thanks everyone
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Old 06-29-12, 02:12 PM
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Originally Posted by LarDasse74
I don't think it is a problem unless the sidewall casing has become compromised, and that hasn't happened until the tire starts to lose its shape. If the sidewall is coming apart, the tire will develop a side-to-side wiggle that you can see when the wheel is spinning, and probably feel while you are riding.
Agreed, but usually the time from when it first begins to spread at the tear and when it lets go is relatively short. So it isn't critical now, but this tire should have a don't go too from home status.

I have a large difference in standards for what's acceptable, between my commuter, what I'll use on a long weekend day rides, and what I'll start a multi-day tour with.


Whether the OP keeps this tire on or replaces it immediately, he should check for the cause, so he doesn't make this one worse, or doesn't have a repeat performance after shelling out for a new tire. This type of damage doesn't just happen, odds are he has an overhanging brake shoe.
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Old 06-29-12, 03:28 PM
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@FBinNY - I checked the brake pads and they are centered perfectly on the braking surface, can't possibly touch the tires.

I've been snipping the threads off using a scissors mostly, but after a ride there always seem to be more, even a couple hanging from the brakes. I have a spare ZX and will install it tonight, hopefully Schwalbe will get back to me soon.
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Old 06-29-12, 03:51 PM
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I have had the same thing happen with a set of Conti Gatorskins. Brake shoes were checked and double checked. Got them warrantied. We'll see on the new pair.
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Old 06-29-12, 03:58 PM
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A tire doing that at 300-400miles, without any abrading factor, is at the very least defective. Single strand, one time, I can understand; but a new strand after every ride is totally unacceptable.

I'll contact Schwalbe or the vendor who sold you the tire for a replacement (which they should be happy to do, so as to protect themselves against a possible future liability issue, and also to keep a happy customer who is smitten enough with this particular tire to be on set #3).
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Old 06-29-12, 05:28 PM
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No tire should be doing that after only 3-400 miles, agree with Pars & Jed19 it's a warranty issue, being as the tire is defective, and it's not due to normal wear.
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Old 06-29-12, 09:48 PM
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Originally Posted by LuMax
@FBinNY - I checked the brake pads and they are centered perfectly on the braking surface, can't possibly touch the tires.
.
Since you say the brake shoes aren't touching, I took another look.

It seems that the only thing unraveling is the edge of the bead protecting wrap. The tire's body plies don't run in that direction anyway (they run around the tire at 45°). So if they warranty the tire, so much the better, but of not, use some glue to fix the edge of the bead tape to top the raveling, and you're good to go, since that isn't part of the structure.
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Old 06-30-12, 10:29 AM
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Originally Posted by FBinNY
It seems that the only thing unraveling is the edge of the bead protecting wrap.
That was my first thought; if so, no biggie at all.
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