35mm valve stem with removable valve core for easier inflationfits most tubeless rimsstans notubes ztr rims wheelssun ringle wheels featuring notubes bst technologywtb tcs rims wheelsamerican classic tubeless wheelsust wheels including crank brothers fulcrum mavic and shimanobontrager tubeless ready rims and wheels with bontragers tubeless ready rim stripsold in pairs 2 in a packinstallationremove included valve cap and nut insert valve through rim thread nut on to valve and tighten by ha