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Old 09-24-06, 08:25 PM
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Al1943
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Join Date: Feb 2005
Location: Oklahoma
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Bikes: Trek 5500, Colnago C-50

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Originally Posted by robtown
I just picked up a 1987/8 Schwinn with 700 rims. Since the otherwise good gumwalls had a couple dry rot spots on them I installed folding 700x23 tires rated to 125psi. The front tire blew out the side at 115 psi. After a very carefull reinstall it seemed fine. The rear tire seemed to seat properly and inflate to 120psi. After the maiden 10min ride and a 25mph descent, it blew out the side.
The Weinman rims seem to have a mild hook.
I suppose you've checked for the obvious. If any part of the tube is caught between the rim and any part of the tire bead the tube will blow.
Do you have good rim tape, like Velox?
Not familiar with your rims.
Your weight is not the problem.

Al
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