PZero™ Smartube Degreaser with the added benefit of

with the added benefit of a universally flattering

and 105 brake calipers

They're made of sturdy

RD-GS covers: 11-28T to 11-34T

PZero™ Smartube Degreaser with the added benefit ofP ZERO SmarTUBE is the most advanced inner tube in our range. It was designed to match the need for lightness and handling of professional World Tour riders and its first application was inside the P ZERO Race Tub SL. It is now also available for every amateur cyclist The standard butyl inner tube has been replaced with TPU (Thermoplastic Polyurethane), an advanced plastic material characterized by elasticity and mechanical strength. The result is an