ITEM NAME:20pcs Pump Valve Adapter with Cap Bicycle Convert Presta to Schrader Valve Product Description Description: 20pcs Aluminum Alloy Pump Valve Adapter with Cap Bicycle Convert Presta to Schrader Valve Wheel Tyre Gas Nozzle Tube Tool Bike Accessories Feature: 1. Function: The valve adapter can convert Presta valve to Schrader valve; 2. Convenient: Bicycle tires can be inflated using a standard Schrader pump and a car air compressor. 3. Quality: The Presta pump adapter is made of quality aluminum alloy with rubber seal. 4. Easy to Install: Lightweight, easy and convenient to install, just screw the adapter onto the valve and you can inflate your tires. 5. Anti-dust valve cap: It can protect your valves from dirt and corrosion; can also replace the wrong tire valve cap. Specification: Presta to Schrader valve: Material: Aluminum alloy with rubber gasket Color: Black, Silver, Grey, Red, Blue Size: 15x9mm/0.59x0.35in Valve cap: Material: Aluminum alloy with rubber gasket Color: Black, Silver, Grey, Red, Blue Size: 16x10mm/0.63x0.39in Note: 1. 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. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 10 X Presta to Schrader Valves 10 X Valve Cap.Function: The valve adapter can convert Presta valve to Schrader valve;. Presta to Schrader valve Quality: The Presta pump adapter is made of quality aluminum alloy with rubber seal. Included: 10 X Presta to Schrader Valves.