Prestacycle Big Presta HeadPart# 33114
This head is perfect for Tubeless tires 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 better tubeless tire application.