Stan's NoTubes Alloy Valve Stems - 55mm, Pair, Black Bike Accessories_GPS Cycling Computers Securely adjusts to widest range

Securely adjusts to widest range of cockpit configurations 70mm-150mm (center-to-center) without compromising aerodynamic profile

The purpose of this product is to keep your core body temperature from rising when “crossing that bridge” between aid stations that can provide ice

a centralized vent can be opened when conditions heat up or closed when they cool down for a 1

and cable rub

These tights fight the wind

Stan's NoTubes Alloy Valve Stems - 55mm, Pair, Black Bike Accessories_GPS Cycling Computers Securely adjusts to widest rangeLightweight aluminum valve stems are half the weight of standard brass models. Secure round base is compatible with most tubeless rims and a perfect fit for all Stans BST and BST R rims. Removable valve core makes adding sealant easy. Sold as a pair