Birzman Valve Extender I 80mm With Valve Core - 2 Pcs BS Its classic lines and low

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

Long cuff blocks cold air

the Shimano 105 and the Shimano Ultegra / Dura-Ace 12S versions are NOT compatible with the Shimano Ultegra / Dura-Ace 11S versions and vice versa

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Birzman Valve Extender I 80mm With Valve Core - 2 Pcs BS Its classic lines and lowProduct 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