Add Yahoo as a preferred source to see more of our stories on Google. It's no secret that Presta valves clog, bend, and can unscrew or leak, yet we still use them on almost every bike. The BBB Cycling ...

Presta valves are the standard and have been around for a LONG time, and there are many issues with this system that many brands have been working hard to address. With tubeless tires being the ...