A5700 2 PCS 40mm Black French Tubeless Valve Core with A-type Wrench for Road Bike

1. The product is made of ultra-light alloy very strong light and rust-proof.2. The valve stem has a detachable valve core which can be filled with sealant which is convenient for installation and use.3. Equipped with detachable tools it is convenient and quick to install.4. Function: a one-way valve for charging and discharging the gas in the tire and maintaining the air pressure inside the tire5. Scope of application: most bicycles with tubeless rims and wheels6. Installation position: tire valve7. Installation method: screw-on8. Material: aluminum alloy9. Stem length: 40mm10. Total valve length: 55mm11. Composition:French valve x 2A-shaped plastic wrench x 1