Round shaped with rubber O-ring seal.
Specialized ROVAL Tubeless valve set NEW 2pcs black 55mm
Slime Tubeless Valve Set Presta for Bike Wheels 44mm Brass Replacement Valves
Lotnery Presta Valve Core Set 18PCS - Brass Adapter & Remover Tool Kit with Plastic Caps and Rim Nuts | Replacement Presta Valve Cores, Tubeless Valve Accessories | Valve Core Removal Tool for MTB
RideNow Tubeless Valve Stems, 110mm Presta Tubeless Tire Valve Stems, Super Light Alloy Tubeless Valve, Multiple Color and Size Options(Pair), Pink
RideNow Tubeless Presta Valve Stems, 65mm Super Light Alloy Presta Tubeless Valve Stem Kit with Valve Core Remover Tool and Valve Stem Caps, Multiple Color and Size Options(Pair), Pink
Bibike RideNow Tubeless Presta Valve Stems, 45/65/85mm Tubeless Valve Stem Kit with Valve Core Remover Tool
