If you’re a mountain biker, then you are no doubt aware of the increasing popularity of tubeless tires. For the uninitiated, these are tires that have no inner tubes, but that are instead partially ...

Pirelli’s signature yellow thermoplastic polyurethane (TPU) inner tubes now have an “RS” version to match their top-of-the-line tube-type road bike tires…like the P-Zero Race RS launched in March. The ...