Birzman Valve Extender I 80mm (With Valve Core) (2 Pcs)

Description

This Birzman Valve Extender I is designed for Presta valves with non-removable valve cores. The Birzman valve extension helps to increase the actual valve insert for high profile rims. They are suitable only for Presta valves. Instructions of Use: Unscrew and open Presta valve Attach