EverTrust(TM) 2pcs Aluminium Alloy MTB Road Bicycle Bike Valve Cap Presta Valve Mouth Cover Tyre Valve Cap Wheel Valve Dust Cap Prevent leakage, dirt and rain to extend the service life of tires. Suitable for bicycle with presta valve. Best replacement for your old or broken one. Direct replacement, easy to install. Search EverTrust for more choices!