Prestacycle Disc Wheel Mini Presta Head For Those Aero Disc Wheels For the ultimate aerodynamic rear wheel, you'll want a carbon disc. The Prestacycle Disc Wheel Mini Presta Head has a smaller head that fits every known disc wheel made, so you can keep your rear tire inflated. It connects using Auto Schrader Threads to fit the Prestaflator tool and most floor pumps. This pump head is made from 6061-T6 alloy and has a urethane elastomer for a tight seal. Features Safe for all types of Presta valves including tubeless and tubeless-conversion valves Made from 6061-T6 alloy Works with a Prestaflator tool and most floor pumps | Prestacycle | Right Angle Quick-Click2 Presta Head Presta