Valve core inside the valve mouth

Mainly used for tire air intake and to prevent tire leakage. The main body of the "valve core" is a cylinder with a hollow upper end and a solid lower end, and a small hole is opened on the side of the lower end to communicate with the hollow part. The valve core is mainly divided into: British valve needle, American valve core, French valve core, German valve needle and Italian valve core. Mainly used for tire air intake and to prevent tire leakage. The main body of the "valve core" is a cylinder with a hollow upper end and a solid lower end, and a small hole is opened on the side of the lower end to communicate with the hollow part. The valve core is mainly divided into: British valve needle, American valve core, French valve core, German valve needle and Italian valve core.