Wilbers Fork Spring - Zero friction - Progressive Ecoline Bladder piggyback reservoir

Bladder piggyback reservoir

and mounting requirements of BMW's front-end architecture

We also sensibly correct chassis geometry via negative travel

Geometry is tuned via negative travel for steadier handling at speed

providing a level of control and confidence that must be felt to be believed

Wilbers Fork Spring - Zero friction - Progressive Ecoline Bladder piggyback reservoirWilbers 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: