Birzman Valve Extender I With Valve Core 40mm (2 Pcs.)

Description

The 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 Valve Extender