Wilbers Fork Spring - Zero friction - Progressive Fork Tubes and progressive shim stack for

and progressive shim stack for consistent performance

We replace the linear fork springs with progressive units for better small‑bump compliance and deeper‑stroke support

Say goodbye to mid-corner wallowing

Whether you’re carving through canyon twisties

Wilbers Fork Spring - Zero friction - Progressive Fork Tubes and progressive shim stack forWilbers 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: