Is a cut in the tire a problem?
09-04-05, 07:23 PM
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Is a cut in the tire a problem?
First a few specifics to help everyone understand what I have. I'm running Maxxis Detonators (700x23) on my road bike. After my ride yesterday I found a cut just to the side of the main center bead. It is about 5 mm long and I suspect it goes right through the tire. I had a nasty hole to fix on a tube from that wheel a few weeks ago but I did not find the cut when I checked back then. If it is that old then I have already covered another 100 miles since then on it and never noticed it was there.
Does a cut like that warrant getting a new tire? Its not like a big chunk of the tire is missing but I would rather not replace it because the tires are fairly new (Christmas present last year.) I would like to get more useage out of it. I'm interested in other opinions, and I will be taking to the LBS later in the week.
Andy
Does a cut like that warrant getting a new tire? Its not like a big chunk of the tire is missing but I would rather not replace it because the tires are fairly new (Christmas present last year.) I would like to get more useage out of it. I'm interested in other opinions, and I will be taking to the LBS later in the week.
Andy
09-04-05, 07:57 PM
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Under high pressure inflation, your inner tube will want to come busting out of that cut and cause a blowout. You do NOT want a blowout on the front tire ever.
take the tire off and put a "boot" or small peice of rubber over that cut from the inside. kind of like patching the tire from the inside. Maybe put that tire on the back and get yourself a replacement ASAP.
take the tire off and put a "boot" or small peice of rubber over that cut from the inside. kind of like patching the tire from the inside. Maybe put that tire on the back and get yourself a replacement ASAP.
09-04-05, 09:15 PM
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As oakie says, take the tire off, look at the inside and see what is cut. A large tube patch makes a pretty good tire boot patch. The patch should be tapered, if not tapered you can make it slippery by covering the patch with a piece of tevdek non woven plastic-used in larger mailer envelopes and as the tear off cover for medical supplies (in the US) and as house wrap also. Small rectangle2-3x as large as the patch with rubber stickum smeared on both inside of tire and one side of tevdek. Slap it on and press it down. As long as the tire doesn't bulge where the cut is, indicating carcass failure, you can continue to use the tire. As oakie says, rear is a bit safer than front when it comes to flats and the tire will wear a lot faster in back.
Steve
Steve
09-06-05, 02:29 PM
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Thanks for the input. I had the wheel into the LBS and they said it is a borderline case. Essentially the cut does not go all the way to the tube so the tire will still hole the pressure. The recommendation was to fill the cut with super glue and keep a very close eye on it. If it gets any bigger then replace it. They did say the safest option would be to replace it. If the cut did go all the way through I would be replacing it, no questions asked.
Andy
Andy
