MSW Presta to Schrader Valve Adapter Adapt and Overcome Fill Presta valves with any Schrader pump, compressor, or gas station air hose. It's tiny enough to live in your saddle bag for emergencies. Features Converts Presta to Schrader, use any Schrader-compatible pump Alloy construction, light and compact Rubber O-ring, seals to prevent leaks Threads onto Presta valves, a stable connection while pumping Emergency ready, great for gas station inflation | Msw | Presta To Schrader Valve Adapter Presta Valve Adapter Card Of 12 | Rubber