Wilbers Fork Spring - Zero friction - Progressive Adjustline providing a level of control

providing a level of control and confidence that must be felt to be believed

For serious vintage motocross

so your OEM suspension must be sent in for conversion (or processed by a trained dealer)

while maintaining the original seat height

5 N/mm spring rate can be selected to match the rider’s weight and motorcycle load

Wilbers Fork Spring - Zero friction - Progressive Adjustline providing a level of controlWilbers 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: