Stan's Threaded Valve Extenders

       Stan's California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65

These Stan's Threaded Valve Extenders are for use with removable valve core presta valves. They allow deep section rims to be converted to tubeless by way of external threads for securing the presta nut.

• CNC machined aluminium valve extension, 2 grams each
• Rubber O-ring seals inside the valve to eliminate leaks
• Adds 40mm of length to any removable core presta valve
• Can be used with our Road Tubeless Valve
• Can be used with any removable core presta tube
• Sold as a pair
• Removable valve cores not included