Pay in 4 interest-free payments of $48.75 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Why Choose the YSS CO308 Cartridge Kit
responsive damping over every bump
The kit features premium aluminum top caps equipped with external threaded adjusters
our setup offers a broader adjustment window and improved feedback under braking and corner exit
The YSS Fork Fork Cartridge Kit is not just an upgrade
Wilbers Fork Spring - Zero friction - Progressive Ecoline Why Choose the YSS CO308Wilbers 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:
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