Built upon 20-plus years of tubeless evolution and meticulously engineered, the revolutionary Exo-Core Tubeless Valve delivers unrestricted sealant application and unparalleled airflow when setting up tubeless tires. Additionally, the Exo-Core Tubeless Valve is easily serviceable and simple to keep clean. No longer will riders and mechanics need to worry about clogged valves and serviceability in the field or at the workbench. KEY FEATURES SECURE PRESS ON “TAP CAP” Exclusive “Twist And Pull” Cap stays securely fastened, yet quickly and easily slides on and off the valve. ENGINEERED TO WORK WITH EXISTING PUMPS AND GAUGES Worry-free inflation and measurement thanks to comprehensive compatibility INTUITIVE OPEN/CLOSE HOUSING DESIGN Large grip area with "Lefty Loosey/Righty Tighty" operation offers precision control of airflow (1/8 turn for micro-bleeding; one full turn to wide open) SERVICEABLE ANTI-CLOG CORE External sealing and an all-brass core eliminates clogs and ensures easy cleaning HIGH FLOW FOR AIR AND SEALANT Oversized bore diameter ensures maximum airflow and easy sealant refresh SELF LOCKING VALVE NUT Captured O-ring design stays secure and will not vibrate loose RELIABLE SEAL ON MODERN RIM SHAPES Tapered elliptical stopper ensures airtight seal on all Presta drilled rim designs COMPATIBLE WITH TIRE INSERTS Base design allows air to flow free with or without tire inserts