Stans Tubeless Exo-Core Valve Stem Housing Kit - Alloy BLK Fits Universal+ Valves PairQuickly converts Universal+ valves to the full featured Exo Core tubeless valves Kit includes one pair of Exo Core housing and brass core pins To convert, simply remove the Presta valve core, insert the Exo Core brass core pin and twist on the housing Only compatible with Stans Universal+ valves See Exo Core tubeless valve model for a full list of features TECH SPECS model Exo Core Housing color black package pair