Wilbers Fork Spring - Zero friction - Progressive Carline the Promoto Lowering Kit helps

the Promoto Lowering Kit helps improve confidence and control by reducing seat height

and consistent even during long

Wilbers linear fork springs

matching perfectly to track conditions

Your damping remains just as firm and controlled at the end of a hard twisty run as it was at the start

Wilbers Fork Spring - Zero friction - Progressive Carline the Promoto Lowering Kit helpsWilbers progressive fork springs ZERO Friction finishing Our vibratory finishing process (trough vibrator with tailored media) micro polishes the spring surface. The resulting fine, shiny finish reduces surface roughness and friction hence ZERO Friction. Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance. Product may differ from the picture. Recommended viscosity and air chamber: