Silca Aluminum Disc Chuck - Presta Smart Trainer harder-to-seal holes that standard plugs

harder-to-seal holes that standard plugs can't handle alone

Its alloy spoke construction saves grams without sacrificing stopping power or braking feel

and careless storage

broad compatibility

Silca Aluminum Disc Chuck - Presta Smart Trainer harder-to-seal holes that standard plugsWhat makes the SILCA Aluminum Disc Chuck seal where others leak? The SILCA Aluminum Disc Chuck is an ultra compact adapter built to solve the one problem that makes disc wheel inflation frustrating: leaking under pressure. The 252 gasket, borrowed from industries that demand air tight seals in the harshest environments, tests to a life expectancy more than five times longer than the carbon filled rubber or Buna N materials used in standard disc