Pair of Reserve Fillmore Tubeless Valves.  Santa Cruz / Reserve has rewritten the future of tubeless tire systems.  This is a new take on the tubeless tire valve.  Allows triple the air volume of a standard valve stem and the self clearing valve eliminates clogging. Plus the internally threaded cap can back-off pressure providing micro precision adjustments to air pressure. No need to remove the valve core to replenish your sealant. 50 mm Valves fit rim depths between 18mm to 30 mm - Usable wheel depth up to 30mm - Free Shipping. No packaging.