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 FEATURESSECURE 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 GAUGESWorry-free inflation and measurement thanks to comprehensive compatibilityINTUITIVE OPEN/CLOSE HOUSING DESIGNLarge 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 COREExternal sealing and an all-brass core eliminates clogs and ensures easy cleaningHIGH FLOW FOR AIR AND SEALANTOversized bore diameter ensures maximum airflow and easy sealant refreshSELF LOCKING VALVE NUTCaptured O-ring design stays secure and will not vibrate looseRELIABLE SEAL ON MODERN RIM SHAPESTapered elliptical stopper ensures airtight seal on all Presta drilled rim designsCOMPATIBLE WITH TIRE INSERTSBase design allows air to flow free with or without tire inserts