and high quality Presta to Schrader Bike Bicycle Pump Valve Adapters Connecters. Can be used with a bike bicycle pump or an air compressor. Convert a Presta valve to a Schrader valve. Also turn a UK valve into a US valve. Light weight, easy and convenient to install Allows car foot pump of petrol station compressor to inflate Racing MTB / bicycle Tyres Anodised Adapter With O-ring Seal colour:Multicolor Material: Aluminum alloy Size: 1.7x1.0cm Package Contents: 4 x red Adapter 4 x black Adapter 4 x gold Adapter 4 x blue Adapter 4 x green Adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.