Enve Valve Extenders By Silca

Enve Valve Extenders By Silca are intended for tubular or clincher tires and tubes with removable valve core. ENVE recommends that the length of your tire/tube valve + the length of your extender exceeds the depth of the rim by at least 10mm.

The ENVE Silca Valve Extensions are things of beauty. They are precisely machined, have a gasket that seals in air at the base of the valve, another gasket where the core fits, and the threads are treated with a film sealant to eliminate any air leakage at the threads. There’s also a gasket on the outer wall to eliminate any clicking of the extension against the rim.