Wilbers Fork Spring - Zero friction - Progressive Fork Springs Featuring a heavy-duty 36mm paired

Featuring a heavy-duty 36mm paired with a massive 16mm hard-chrome shaft

Bladder piggyback reservoir

Front and rear must be lowered equally to preserve geometry and handling

the air chamber provides end-stroke progression

Wilbers Fork Spring - Zero friction - Progressive Fork Springs Featuring a heavy-duty 36mm pairedWilbers 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: