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tire repair suggestions

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tire repair suggestions

Old 09-11-13, 08:39 AM
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tire repair suggestions

One of my tires has a very small tear in the side (about 1/16" inch with the flap of rubber that covered it still attached on one end). It isn't very deep and I don't feel any bulge around it, so I assume the tire is still safe to ride for now.

Any suggestions for a repair so that it doesn't get larger? I hate to trash a $70 tire with less than 500 miles on it over this. I'm thinking that some sort of bike tire-specific liquid rubber must exist, but I haven't found a clear candidate while searching around.

Thanks.
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Old 09-11-13, 08:48 AM
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Wow $70 per tire, you must buy your tires from the bike shop. That's what I pay for a set.

I had this happen with one of my PRO4 tires last week. I used a thick pro grade black tape that is really sticky to make a boot for the inside even though the cut wasn't all the way through. For the outside I filled it with superglue, then I moved the tire to the back. Others have mentioned using show goo as well.
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Old 09-11-13, 09:17 AM
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Are we talking just a tear in the rubber tread, or is it into the casing. If the casing's not cut, just superglue down the flap of rubber.
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Old 09-11-13, 09:21 AM
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Yep, and if the casing is cut, boot it. I've ridden boots for 1000s of miles. Just look at it every time you inflate to make sure it's not changing. My favorite boot is a 3" section of old tire with the beads cut off and the ends sanded to a taper. If a boot starts to bulge, stop messing around and get a new tire.

You might consider putting this tire on the rear if it's not already. If a sudden failure did happen, it's better for control if it's on the rear.
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Old 09-11-13, 12:27 PM
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ive never booted a tire successfully. had so so results with some duct tape which got me a few extra miles but can somebody detail their more formal approach? also, whats the long patch in the green patch kit for? long cut on tubes? anyone ever use it for a boot?
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Old 09-11-13, 12:31 PM
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It really depends on where the cut is to determine the success of the boot.
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Old 09-11-13, 12:59 PM
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i've had good success booting with quality 3M fiberglass tape - that heavy tape with fiberglass strands running side by side through it.
couple inches of tape on each side of a very small cut seems to hold it well for me - but then I don't run my tires real high - usually 90frt100rr, and 85frt95rr on 23mm rims. Then a bit of superglue on the outside seems to hold it all down and in place... YMMV
But if the tahr shows ANY slight bulge at all, after the boot and at full pressure, I don't chance it.
Cuts 5 mm or larger, not worth the risk for me.
Usually the sidewall 'cut' I would boot is from penetration staple or small nail/screw I've picked up at some intersection. Much bigger cuts from glass shards or sharp metal blades - I'll take the cost hit and put on a new tahr.
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Old 09-11-13, 01:03 PM
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Park tire boots work pretty well. Old section of tire works great, but you can feel the thump.
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Old 09-11-13, 03:40 PM
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Originally Posted by merlinextraligh
Are we talking just a tear in the rubber tread, or is it into the casing. If the casing's not cut, just superglue down the flap of rubber.
Seems to be just the rubber, not the casing as far as I can tell (but will double check). Glad it's as easy as that. Thanks. (And thanks for the booting advice, which I'm sure to use at some point.)
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Old 09-11-13, 03:41 PM
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super glue never ever worked for me. it just fell out.
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Old 09-11-13, 03:44 PM
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Originally Posted by seymour1910
Wow $70 per tire, you must buy your tires from the bike shop. That's what I pay for a set.
Schwalbe Ultremo ZX. I can usually find them online for ~$50, but bought one from the LBS this time. For my clinchers, I haven't found a better riding tire, esp. on the corners, but what makes them perform well also makes them prone to a lot of cuts in the rubber. They're on my race back-up set, but not a day-to-day tire for obvious reasons.
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Old 09-11-13, 04:48 PM
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I was plagued with cuts on my Ultremos mainly caused by sharp stones on the road. Anything that bulged or split the casing I booted with a piece of Parks Tools Emergency Boot that I cut to a suitable size and rounded off the corners. I wouldn't worry too much If the cut is external only. The boots worked well and I never tossed a tire away because of a cut; however, I only got around 1500 miles from Ultremos before the tread surface would become so thin that punctures appeared regularly. (It's not worth booting the tread surface if it is heavily worn as you'll just wear through the boot).

Contrast that with Michelin Pro 3 Race I'm now using. These have been cut and puncture free after 1600 miles while the GP4000s on my winter bike are now on 4350 drama-less miles with plenty of rubber left according to the tyre wear indicators. I liked the look, feel and weight of Ultremos, but they're expensive and, in my experience, lack durability compared with other light weight quality tyres.
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Old 09-11-13, 04:55 PM
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Shoe-goo.
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Old 09-11-13, 06:23 PM
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I like using gorilla glue tape. I just cut it so it goes from just above the bead to an inch past the tear and an inch fore and aft... holds typically till I run out of tread.
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Old 09-11-13, 06:52 PM
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Originally Posted by merlinextraligh
Park tire boots work pretty well. Old section of tire works great, but you can feel the thump.
I've also had good luck with the Park Tire Boot.
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