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semi-active system that continuously adapts to road surface and riding conditions
sharp impacts using our proven Touring‑model approach: Zero Friction fork springs with matched damping deliver clear benefits
grueling motos
allowing for precision tuning to match your unique riding style and road conditions
Why Choose the YSS CO308 Cartridge Kit
Wilbers Fork Spring - Zero friction - Progressive Reservoir semi-active system that continuously adaptsWilbers 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:
