Description: Vacuum Valve FunctionThe valves offer efficient air control, allowing you to adjust the amount of air in your tires with precision. This feature is particularly useful for maintaining optimal tire pressure, which can improve fuel efficiency and tire wear. Universal FitWhether you're using them on electric scooters, hoverboards, or other similar vehicles, these tire vacuum valves are designed to fit most tire sizes. Durable and Long-lastingThe quality aluminum alloy construction ensures that these valves are durable and long-lasting. They can withstand the rigors of daily use and provide consistent performance over time. Easy InstallationInstalling these valves is straightforward and hassle-free. Simply remove the existing valve caps from your tires and replace them with these vacuum valves. Suitable for Less 9mm AperturesElectric scooter tubeless tire vacuum valve is suitable for a diameter of no more than about 9mm, high accuracy production for exact match. Specification: Material: aluminium alloy Color: black+gold Size(approx.): (L x W)2 x 1.3cm/ 0.79 x 0.51inch Application: Suitable for apertures less than 9mm/ 0.35inch. Package Included: 2 PCS x tire vacuum valves Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Please allow 1-2 cm differences due to manual measurement.