Wilbers Fork Spring - Zero friction - Progressive PD Valve the compression reservoir can be

the compression reservoir can be rotated up to 360°

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

We correct the fork’s behavior with progressive springs and matched air chamber/oil

stiffer spring rate

and a progressive shim stack for consistent damping

Wilbers Fork Spring - Zero friction - Progressive PD Valve the compression reservoir can beWilbers 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: