Prestacycle Pro Presta Head Rebuild Kit

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Prestacycle Pro Presta Head Rebuild Kit. The Prestacycle Pro Presta Head Rebuild kit renews your Pro Presta head to a factory fresh seal. Presta valves can wear-down the seal on any pump head due to pressure and friction with the threads on the outside of the valve. Our Seal kit is installed in seconds using a 6mm Hex Driver. Steel threaded top cover that holds the seal is included to insure a fresh tight connection. Instructions included.Complete seal renewal kit Includes Fresh o-ring and Top Cover Installs in seconds using a standard Hex 6mm tool