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Promoto replacement fork tubes — OEM fit
The premium-value alternative in our lineup
Specially developed for traditional conventional and damping-rod forks found on many modern classics
Even with linear springs
precision-machined guides/clearances
Wilbers Fork Spring - Zero friction - Progressive Shocks Promoto replacement fork tubes —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:
