Birzman Valve Extender I 80mm With Valve Core - 2 Pcs Ice Blue your valve)

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Universal AC100-240V voltage input and 50/60Hz voltage frequency

Shifters: microSHIFT TS-71

the power transmission factor increases rapidly

Birzman Valve Extender I 80mm With Valve Core - 2 Pcs Ice Blue your valve)Product 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