Amazon.com : LITEONE Tubeless Value Stems 40mm Premium No Leak Tubeless Presta Valve Stems Kits with Integrated Value Core Remover Tool and Valve Stem Caps Fit Most Bicycle Tubeless Rims Pair Black :
Tubeless Presta Valve - Light Bicycle
Stan's NoTubes 35mm Tubeless Valves: Pair, Red - BikePartners Bike Shop
Pair of aluminum Presta valves for tubeless red 45mm