AL6061 alloy tubeless presta valveIncludes two O-ring seals, one standard profile and one aero profile, for a secure fit on any rimRemovable valve core for installing sealantAvailable in 4 sizes and 3 brilliantly anodized colorsAdditional replacement valve cores sold separately Sold individuallyTubeless Valve55mmSingleAL6061Black32mm - 42mmUPC/EAN/GTIN: 888571034361