Giant Cadex Valve Extender W/ Removal Tool Description: Designed to work with CADEX Aero Disc WheelSystems to extend the valve core for easy inflation. To install, remove the existing valve core with the included tool, thread on the CADEX Valve Extender using the included tool, and then thread the existing valve core back onto the extender. This allows a pump head to properly make a seal to inflate the tire to the desired pressure. Features: Uses existing valve core Easy installation Includes valve core/extender removal and installation tool Specifications: Color: Black Material: Alloy Package: Sold Individually