Quick Fill valves are oversized and designed for tubeless systems. They resist caulking, clogging and etching of the putty. These also bring high volume flow and easy inflation of the inner tube. The body is two-piece and easy to clean. Features: Quick-fill valves with reliable attachment system 2-piece aluminum valve with removable core Valve: Presta Use: Unscrew the barrel, insert the nozzle from the squeezable bottle with sealing material, fill the tire and inflate the wheel.