Prestacycle EZ-Grip Big Presta Head

The Fastest Way to Get You Going This head is a MUST for Tubeless tyre users perfect for, valve extenders and any Presta valve. It includes Prestacycle’s newest version of the Mini Presta Head Gasket using Urethane Elastomer. It’s softer and stronger. It also lasts more than 5 times longer, and gives a better seal and flexes to work anywhere along the Presta shaft for any Presta application.