AL6061 alloy tubeless presta valves Includes 2 O-rings, one standard profile and one aero profile for an airtight seal on any rim Removable valve core for installing sealant Available in 4 sizes and 3 brilliantly anodized colors Additional replacement valve cores sold separately Sold individually Tubeless Valve 55mm Single AL6061 Red 32mm - 42mmUPC/EAN/GTIN: 888571034378