Wilbers Fork Spring - Zero friction - Progressive Forks Certification: TUV/ABE approved (ISO certified)

Certification: TUV/ABE approved (ISO certified)

ideal for riders who push their bikes to the limit

Threaded Spring Preload: Stop adapting to a one-size-fits-all factory setup

and the negative spring travel has also been optimized

Wilbers Fork Spring - Zero friction - Progressive Forks Certification: TUV/ABE approved (ISO certified)Wilbers 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: