We may receive a commission on purchases made from links. The valve stem that protrudes outside of a wheel does not last forever and requires periodic replacement. The tire valve stem houses the valve ...

You’re railing that descent, nailing every line and feeling like a world champ, when suddenly you smash a wheel into a big square-edge rock. Quite literally, you can feel the air go out of the ride.

You topped off the air in your tires, but a few days later, you notice that one of them is low again. It could be a hole, but before you go through the hassle of searching for one or making an ...