Wolf Tooth Tubeless Clik Valve Stem Kit. Features: Clik valves for faster air flow, better durability, and easy pump connection Includes two Clik valve stems, two extra large nuts, an integrated valve core wrench, and two extra rubber base options Slotted stem base for compatibility with tire inserts Threads extend below the rubber seal for better performance on single wall rims Specs: Model:Clik Tubeless Valve Stem Kit Length:44mm Color:Black Valve:Clik Insert Compatible:Yes Package:Pair