Aluminum Alloy Material: Our bicycle front wheel valve adapter is durable and sturdy because it is made of aluminum alloy, which makes our valve adapter stronger. Non-slip design: Our bicycle tire valve adapters have non-slip design, we add scales where we hold them by hand to prevent slipping, and it is also very economical. Leakage protection: Our inflation valve adapter is equipped with a seal which has good sealing and can prevent air from leaking after inflating or inflating, which is a great advantage over other other adapters. Easy to install: lightweight, portable, easy to install, Presta to Schrader adapter, just unscrew the end of the Presta valve and screw the valve adapter which can you help improve efficiency and inflate your bike at any time. Small and light: the adapter of inflatable valve air fork does not weigh down the ride because it uses aluminum alloy material, which makes it small and light.