Wilbers Fork Spring - Zero friction - Progressive PD Valve Whether you’re carving through canyon

Whether you’re carving through canyon twisties

Street Glide ST / Road Glide ST – agility meets real-world comfort

Heavy-Duty MX Internals: Features a rugged 12mm hard-chrome shaft and a 36mm piston engineered to withstand the extreme forces of off-road riding

now maintain smooth motion with no stiction or “stalling

Is your motorcycle's front end feeling vague

Wilbers Fork Spring - Zero friction - Progressive PD Valve Whether you’re carving through canyonWilbers 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: