Wilbers Fork Spring - Zero friction - Progressive Fork Upgrade Kit The SKF green fork seal

The SKF green fork seal kit was developed to meet modern mobility demands

Threaded Spring Preload: Easily adjust your sag to compensate for rider weight

our setup offers a broader adjustment window and improved feedback under braking and corner exit

or the stealthy

Wilbers Fork Spring - Zero friction - Progressive Fork Upgrade Kit The SKF green fork sealWilbers 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: