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– Radial-piston design with progressive shim stack
With pivoting compression tank
For serious vintage motocross
allowing for precision tuning to match your unique riding style and road conditions
or your personal riding gear
Wilbers Fork Spring - Zero friction - Progressive Adjustline – Radial-piston design with progressiveWilbers 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:
