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

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

delivering the performance benefits of a much more expensive suspension setup at a fraction of the cost

suitable for both daily commuting and leisurely weekend rides

the air chamber provides end-stroke progression

Reservoir Type: Piggyback Bladder Nitrogen Gas Reservoir

Wilbers Fork Spring - Zero friction - Progressive Fork Cartridges 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: