Topeak pressure rite prestawhen removing a valve connector it is common to experience air leakage but this is not the case with topeaks pressure rite presta which guarantees accurate tyre pressure every time this anti air loss connector is perfect for presta valves featuresmaterial body brassperfect for disc wheels and other valvesensures accurate pressure even during removaldimensions 39x23x11cm15x09x0 4weight 16gbuytopeak accessoriesfrom chain reaction cycles the worlds larg