4pcs Valve Adapter Pump Converters Presta to Schrader Wheels Gas Nozzle Tube Tool MTB Bike Bicycle Accessories. 4 X Bicycle Valve Adapters. Main material: aluminum alloy Color: Multicolor Product size: about 15x9x9mm Net weight: about 5g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.