Wilbers Fork Spring - Zero friction - Progressive PD Valve the OEM rear spring can

the OEM rear spring can feel too hard over sharp bumps

Adjustline 623 — High-End Reservoir Shock

Our Ecoline 540 TS setup improves rear comfort by optimizing negative travel and rebound damping so the machine works with the rider—not against them

matched oil

and refined rebound/compression damping at the rear

Wilbers Fork Spring - Zero friction - Progressive PD Valve the OEM rear spring canWilbers 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: