The new Mountain Valve Stem is required for tubeless conversion using the old taping method on non-tubeless rims, or can be used as replacement valve for many UST rims. It's 35mm long to accommodate most MTB rim depths, and features a removable valve core for easier tire sealant application and hassle-free extender installation. Fits up to an 8mm valve hole. Sold in pairs.

Compatible Tubeless Rims:

• Stan's NOTUBES ZTR
• Sun-Ringle wheels featuring NOTUBES BST Technology
• WTB TCS rims
• UST wheels including Crank Brothers, Fulcrum, Mavic and Shimano
• Bontrager Tubeless Ready rims & wheels with Bontrager's Tubeless Ready rimstrip