Description
Quantity: 20pcs bike valve adaptors 10 x yellow + 10 x red fits mountain bikes, road bikes, and fixie bikes with presta valve tubes.
Material: zinc alloy ( copper plated ).
Convenience: bicycle tire can be inflated using a standard Schrader pump and car air compressor.
Size: Approx.1.5cm x 0.9cm x0.7cm.(L*Big head diameter*Small head diameter).
Direct replacement, easy to install, only uses the wrench to put the caps onto the tire valve stem.