CushCore tubeless air valves are specially designed to work with a CushCore tire insert. The air passageway is T-shaped, rather than a simple through-hole, which prevents the insert from obstructing air flow through the valve. ?FEATURES: Made from CNC machined from 6061 T-6 aluminum, anodized black Tapered rubber collar permanently bonded at the sealing interface The valve core can be removed to add tire sealant Valve locknut with o-ring seal and valve cap are included Sold as a set