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Originally Posted by tomtomtom123
(Post 23489375)
I had a pair of Schwalbe AV7C 20", with the C denoting the Lite version in 406x47 marathon tires which split along the seams. The first one after a month and the second one about 1 year. I also had another pair of the same model with the valve not seating properly and would slow leak after a pump if I didn't push the valve once after removing the nozzle of the pump.
But haven't had problems with the regular ones. SV18 is just too small for the larger of the recommended / listed sizes - and the tube (material) is not as ‘elastic’ as many others |
I have been mountain biking and cycling for almost thirty years now and I have never found consistency with tubes. Name brand, expensive, cheap, thorn resistant, thin, it's all a crapshoot. The only thing that made a difference for me was moving to tubeless. Granted, I live in the desert southwest (Arizona and New Mexico), so goat heads, cactus needles, and razor sharp rock are the norm, which may explain my experience with tubes.
I still run tubes in my "slow bike" which is a 1998 Trek Multitrack 730. They are thorn resistant and oddly enough, about 5 years old. For some reason, that set of tubes refuses to die and doesn't even lose that much air. Like maybe 1 PSI a week. But everything else, especially anything that goes on trails, is tubeless. |
I've started running Tubolito tubes in my daily commuter. We had a renewal bike come in with a flat and the boss had me replace both with regular tubes. A friend has been using the Tubos and liked them,and he let me borrow a patch from his kit to fix the flat one. Been running them for a month now and they seem to be holding air much better than regular tubes,plus they're stupid light. Wouldn't pay $35/ea for them myself,but if you're a weight weenie or want to compensate for the Marathon Pluses you're running,I give them a thumbs up.
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Originally Posted by bblair
(Post 23489262)
Yea. I get about a flat a year, or less. That's one per 5000 miles, which is about how often I change my tires.
The last 2: ran over a sharp sheet metal screw on a busy road. Second was a thin wire that I am told is from car tires. Either shed or in recycled tires used in road paving. Was on a new road. Neither required a new tire. That said, I am sure that I will have a flat soon, probably today, just before dark. The metal wire one, a few times. Maybe the weight of electric cars is harder on car tires? The difficulty of locating a tiny wire in a bike tire tread encourages paranoia. |
After years of inconsistent quality tubes I've settled on Continental and Schwalbe. Been riding those for about 10 years now and no "tube" problems at all. I've induced human error a couple of times but I find their quality consistently good.
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