DescriptionMade of lightweight aluminum alloy and copper material, durable, strong, rust and water-resistant even in bad weather conditions. The product has good sealing performance, wide application and simple and convenient installation.Features-Material: aluminium alloy, copper-Made of good and sturdy copper, aluminum alloy, practical for lasting use.-You can replace the old or the broken air nozzle with the new one, give a better riding experience.-Made with scientific process, it is shiny and smooth,and owns the long service life.-It can keep bike tire inflated within the constant pressure level, much practical.-Corrosion-resistant, resistant to rust and durable to use, you can use it confidently.