Pay in 4 interest-free payments of $48.75 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
An ABE (German type approval) is included to save time and registration cost
We replace the linear fork springs with progressive units for better small‑bump compliance and deeper‑stroke support
Transform Your Front End: YSS CO308 Open Fork Cartridge Kit
planted feel
and fine-tune your bike's steering geometry and seat height with the built-in length adjuster (+/- 5mm)
Wilbers Fork Spring - Zero friction - Progressive Carline An ABE (German type approval)Wilbers progressive fork springs ZERO Friction finishing Our vibratory finishing process (trough vibrator with tailored media) micro polishes the spring surface. The resulting fine, shiny finish reduces surface roughness and friction hence ZERO Friction. Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance. Product may differ from the picture. Recommended viscosity and air chamber:
US$ 137.50
US$ 59.00
US$ 70.00
