Topeak Twinhead Rebuild Kit for Pump Topeak's Twinhead pump system is a terrific system, but even the best setups need a rebuild or a bit of TLC. Enter Topeak's Twinhead Rebuild Kit. The Rebuild Kit includes seals as well as heads for both schrader and presta valve units. If your Topeak Twinhead pump is in need of a refresh then grab the rebuild kit and get it all fixed up. Features Designed for Topeak's Twinhead pump system Includes seals and heads specific to Schrader and Presta valves Simple install process makes it easy to give your pump a rebuild | Topeak | Twinhead Rebuild Kit For Pump Bag