Birzman Valve Extender
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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.
|Material||CNC machined aluminum|
Instructions of Use:
- Unscrew and open Presta valve
- Attach Valve Extender