Transforms presta valve to schrader. Anyone can install - simply screw on the presta valve. Rubber inner ring to prevent air leak.
4 x VALVE ADAPTER PRESTA TO SCHRADER CONVERTER ROAD BIKE CYCLE BICYCLE PUMP
10 x VALVE ADAPTER PRESTA TO SCHRADER CONVERTER ROAD BIKE CYCLE BICYCLE PUMP
2-10 x VALVE ADAPTER PRESTA TO SCHRADER CONVERTER ROAD BIKE CYCLE BICYCLE PUMP
Bicycle Valve Adapter Kit Bicycle Pump Adapter with Ball Pump/Air Adapter Valve
