1、Advantage:a small, handy tool, approx. 1 inch/ 2.54 cm long, it is taken to replace the leak of the old valve and make the tire rejuvenation, stop air leaks from old valves,l compatible and good air tightness, they are more durable, safe and reliable2、Durable and sturdy:these valve cores is made of quality copper, enhance the corrosion resistance of the valve core and valve stem, especially when installing the valve core into an brass valve stem, more durable, safe and reliable
3、Easy to install:use pliers or valve removal tool to screw onto presta valve stem, no longer need to worry about bicycle tires
4、Universal Compatible:Replaced the leak of the old valve makes the tire rejuvenation. Good Airtightness.Stop air leaks from old valves
5、Wide application: Fits for presta valve cores (French valve core) are mainly applied in bicycles, universal Presta valve cores, compatible with Stan's, Vittoria, Continental, Kenda, Bontrager, road and MTB tubeless valve stem