Wilbers Fork Spring - Zero friction - Progressive Miscellaneous Threaded Spring Preload: Easily adjust

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

With a dedicated compression adjuster on the piggyback reservoir

too little at the shock

and a progressive shim stack for consistent damping

you gain a wider usable adjustment range

Wilbers Fork Spring - Zero friction - Progressive Miscellaneous Threaded Spring Preload: Easily adjustWilbers 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: