Brompton Firm Suspension Block Set Assembly Kit. Product DetailsPart Number: 9040131 (shown on package as 904013)Q-Code: QSUSP-HARDADescription: Suspension block set complete, including bolt and disc (Firm hardness) Purpose and FunctionThis polyurethane elastomer block mounts between the main and rear frame sections of a Brompton folding bike. It provides essential shock absorption to smooth out road vibrations on small wheels. The Firm version is stiffer than standard blocks. It is designed for heavier riders or cyclists who prefer a more responsive, firm ride with less "pedal bob" bounce.
