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topaz"I've never seen a wheel do anything like that before."
After another repair visit and two more flat tires this morning, I called it quits on Quad Cycles and took the bike to Broadway Bike School for a second opinion. There the cursed rear wheel flattened one tube as it was being inflated, and another one just as the bike was resting on the floor. I wasn't even touching it. I have witnesses.
The current theory is that the shape of the rim on the rear wheel -- it has a very deep groove -- is somehow putting more pressure on the inner tube so that the spokes are more likely to puncture it from within. Maybe the combination of the tires I'm using and the shape of the rim are pushing the tube down more than intended.
Anyway, they're putting together a new wheel for me, it'll be ready tomorrow night, and with any luck our long national nightmare will soon be over.
After another repair visit and two more flat tires this morning, I called it quits on Quad Cycles and took the bike to Broadway Bike School for a second opinion. There the cursed rear wheel flattened one tube as it was being inflated, and another one just as the bike was resting on the floor. I wasn't even touching it. I have witnesses.
The current theory is that the shape of the rim on the rear wheel -- it has a very deep groove -- is somehow putting more pressure on the inner tube so that the spokes are more likely to puncture it from within. Maybe the combination of the tires I'm using and the shape of the rim are pushing the tube down more than intended.
Anyway, they're putting together a new wheel for me, it'll be ready tomorrow night, and with any luck our long national nightmare will soon be over.
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no subject
Date: 2008-07-30 06:49 pm (UTC)no subject
Date: 2008-07-30 07:01 pm (UTC)no subject
Date: 2008-07-30 07:49 pm (UTC)no subject
Date: 2008-07-30 07:50 pm (UTC)no subject
Date: 2008-07-30 08:45 pm (UTC)no subject
Date: 2008-07-30 09:03 pm (UTC)You know, that's not something you want to hear in *most* circumstances. Although I can think of a couple of fun exceptions.
no subject
Date: 2008-08-01 08:05 pm (UTC)In all this replacing of tubes, has anyone bothered to look for where and why the flats happen? i.e., found the hole in the tube and checked the corresponding area on the tire and wheel.
This is pretty basic, *especially* if a wheel is flatting repeatedly.
My guess is there's a tiny little burr on a spoke hole (that got me once) or something stuck in the tire.