Functions:   For the removal and installation of Presta and Schrader valve cores.    Features a 5mm flat wrench for removing Presta valve extenders. Material:   CNC Machined 7075 Aluminium...

The Birzman 40mm / 80mm valve extender with removeable valve core is designed to attach to Presta valves with a two-piece or single piece structure.

1. Made from hardened ABS. 2. Additional air release function for Schrader valves. 3. 2 pcs per set