Wilbers Fork Spring - Zero friction - Progressive Lift & Lowering Kits Geometry is tuned via negative

Geometry is tuned via negative travel for steadier handling at speed

Ultra-Low Friction Design: Built with a heavy-duty 36mm piston

offering larger-bore damping control for demanding riders

Threaded Preload & Length Adjustments: Easily adjust your rider sag using the threaded preload collar

Wilbers Fork Spring - Zero friction - Progressive Lift & Lowering Kits Geometry is tuned via negativeWilbers 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: