Allows you to inflate or top off your tube using a standard bicycle tire pump or air compressor

Compresser Adapter only fits on the screw-on type valves like the 'boston' valve (aka 'speed valve') or multi-valve

The Compressor Adapter is not for use on push-in style valves like the Speed Safety valve, over-sized safety valve, or safety valve

Consult your product user manual to see what kind of valve your product uses