Wilbers Fork Spring - Zero friction - Progressive Wilbers Use the included adjustment tool

Use the included adjustment tool to dial in your exact rider sag

Premium Nitrogen Gas Emulsion: Keeps the internal shock oil under constant pressure to prevent cavitation and fading

Threaded Spring Preload: Stop adapting to a one-size-fits-all factory setup

They control oil flow precisely to significantly reduce front-end dive under heavy braking while remaining plush over sudden

Harley-Davidson Pan America RA1 – Suspension Optimization

Wilbers Fork Spring - Zero friction - Progressive Wilbers Use the included adjustment toolWilbers 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: