Prestacycle EZ-Grip Big Presta HeadPart# 12674
It’s back, the Pro’s favorite! Perfect for Tubeless tires, valve extenders and any Presta valve. It includes our newest version of the Mini Presta Head Gasket using Urethane Elastomer. It’s softer and stronger. It lasts more than 5 times longer, gives a better seal and flexes to work anywhere along the Presta shaft for any Presta application.