The Birzman Valve Extender Set is designed for Presta valves with removable valve cores, and comes with a tool for removing and reattaching valve cores.
Specifications
. Material: CNC machined aluminium
. Length: 80mm
. Valve Type: Presta
. Includes: Tool to remove/attach valve cores
Instructions of Use
. Remove valve core from the Presta valve
. Attach valve extender