Stan's NoTubes Alloy Valve Stems - 100mm, Pair, Black Road Pedals CZone waterproof insert

CZone waterproof insert

Cleaner & conditioner for the glide sections of a ski base

Built-in applicator pad for easy application

With precise ventilation ports and internal channels to control air intake and release at both low and high speeds

Stan's NoTubes Alloy Valve Stems - 100mm, Pair, Black Road Pedals CZone waterproof insertStan's NoTubes Alloy Valve Stems 100mm, Pair, Black Stans NoTubes Alloy 100mm Tubeless Valve Stem. Lightweight aluminum valves, half the weight of standard brass valves, removable valve cores. The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.