6 slots milled into the base of the valve stem make the valves compatible with most tubeless tyre inserts. Tubeless sealant and air can flow freely through the slots. The V2 valves are made from 7075 aircraft aluminium to make them lighter and stronger than before. Features: Valve stem and cap made from 7075 machined aluminium, Tyre insert airflow system, 4 mm machined hexagonal slot for easy installation/removal, Includes tool for removing the valve insert (integrated in the replacement aluminium cap), Supplied with different rubber bases to allow installation with different rim types, Length: 60 mm. Contents: 2x tubeless valves, 2x rectangular rubber cones, 2x round rubber cones, 1x replacement valve cap with integrated valve insert spanner.