2
votes
3answers
1k views

Tube constantly getting punctured near the valve

I have been using my bike for a few years now, and for the last month i am constantly getting this problem. After riding a day or two, it looks like my tube gets rotated a little inside the tire, and ...
26
votes
11answers
12k views

Can I use a presta tube in a schrader rim?

I keep losing pressure in my tires, and among other things, I'm looking at the valves in the tubes. It's an old mountain bike with 26 inch tires. Can I use presta tubes on rims drilled for schrader ...