Use this handy adapter to convert Presta valves to standard Schrader valves. Allows for a standard inflator, gauge, or air compressor to be used with Presta valves. Package contains two units.
How to use this valve adapter:
*Unscrew the brass (or chrome) piece on the tip of the Presta valve.
*Tap the valve a bit to loosen it up.
*Screw the valve adapter onto the valve.
*Use your Schrader pump or air compressor to inflate your tire.