Replaces Notubes' Olympic and UST valves.35mm tubeless presta valve stem with removable valve core for easier inflation.Fits most tubeless wheels/rims :- Stan's Notubes ZTR- Sun-Ringle wheels featuring Notubes BST- WTB TCS rims and wheels- UST wheels including Crank Brothers, Fulcrum, Mavic, Shimano- Bontrager tubeless ready rims and wheels with Bontrager's tubeless ready rimstrip