MATERIAL: Alloy
LENGTH: 40mm
REMOVABLE VALVE CORE COMPATIBLE: Yes
WEIGHT: 2g (per valve)
STAN'S NOTUBES - 40MM VALVE EXTENDER
Our 40mm effective length threaded valve extensions include presta valves with removable core and allow deep section rims to be converted to tubeless use by way of external threads that secure a presta nut.