Wilbers Fork Spring - Zero friction - Progressive Adjustline all-black Blackline Edition

all-black Blackline Edition

and mounting requirements of BMW's front-end architecture

Reservoir Type: Piggyback Bladder Reservoir

Maintenance‑free spherical bearings deliver long‑term durability

Wilbers Fork Spring - Zero friction - Progressive Adjustline all-black Blackline EditionWilbers 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: