Wilbers Fork Spring - Zero friction - Progressive YSS slightly stiffer springs for clearer

slightly stiffer springs for clearer feedback and increased safety

Engineered specifically for classic dirt bikes

your feet will rest securely on the ground

and spring preload adjustments

The pairing improves traction

Wilbers Fork Spring - Zero friction - Progressive YSS slightly stiffer springs for clearerWilbers 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: