Stan's Tubeless Exo-Core Valve Stems - Alloy Regular Black Pair

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.

Exclusive TAP “Twist And Pull” Cap stays securely fastened yet quickly and easily slides on and off the valve

Worry-free inflation and measurement thanks to comprehensive compatibility

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)

External sealing and an all-brass anti-clog core eliminates clogs and ensures easy cleaning

Oversized bore diameter ensures maximum airflow and easy sealant refresh

Self-locking valve nut with captured O-ring design stays secure and will not vibrate loose

Tapered elliptical stopper ensures airtight seal on all Presta drilled rim designs

Base design allows air to flow free with or without tire inserts