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We move from linear to progressive fork springs for a livelier initial stroke and more reserve in the second rate
It offers reliable damping and a comfortable ride
The YSS CO308 Open Fork Cartridge Kit is a groundbreaking suspension upgrade engineered to completely replace your factory fork internals
Multi-Click Rebound
ensuring consistent performance during long rides
Wilbers Fork Spring - Zero friction - Progressive YSS We move from linear toWilbers 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:
