Birzman Valve Extender I 80mm With Valve Core - 2 Pcs BS usage bike sport Road Bike

usage bike sport Road Bike shifting system 8-speed shifting actuation Mechanical brake actuation mechanical chainrings 2

Its classic lines and low stand over have made it a favorite for all types of riders

Chain Juice Wet is tough as old boots and built to keep your shifting smooth under the heaviest of loads

Made of quality aluminum alloy and stainless steel

center fork bracket available

Birzman Valve Extender I 80mm With Valve Core - 2 Pcs BS usage bike sport Road BikeProduct 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 Valve Extender Material : CNC machined Aluminum Length : 80 mm Color : Black Weight : 7g each Sizing Information Length: 80mm Country of Origin Taiwan