6pcs Cycling Bike Bicycle Inner Tube Presta Valve Extender Extension Caps Core Adapter

Description: Made of durable aluminum alloy. It is be placed between valve stem and valve core. It's used for valves that are not long enough to reach a pump head. Simply unscrew the air outlet on the Presta valve, and screw the valve extender onto the valve. Specification: Material: Aluminium Alloy Length: 40mm / 1.6inch Color: Black Package Includes: 6 Pieces Bike Presta Valve Extender