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or a passenger with the user-friendly threaded collar system
By pairing a heavy-duty 45mm piston with a robust 16mm hard-chrome shaft
Threaded Spring Preload: Achieve the perfect race sag with the high-strength threaded collar
Robust Build Quality: Manufactured and assembled in house in YSS's state of the art facility you can be assured quality control in unmatched
Why Choose the YSS CO308 Cartridge Kit
Wilbers Fork Spring - Zero friction - Progressive PD Valve or a passenger with theWilbers 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:
