From a purely functional standpoint, inexpensive o-rings are most commonly used in this application, but no o-ring can match the smooth feel and zero-stiction action of a leather gasket. It is common today to find SILCA leather gasket pumps throughout the professional peloton (especially during the spring classics) as o-ring seal pumps struggle with heat and often are unable to seal once the pump barrel is hot from inflating more than a few wheels.
Fits 30mm internal diameter 2008 or newer SUPER PISTA and SUPER PISTA ULTIMATE.
Made from finest quality full grain leather.
Produced by hand on the same equipment continuously since 1960.
Updated from 2.25 to 2.50mm thick leather for improved durability.
Hand crafted in Milan, Italy.