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Our premium 623 shock features an external compression reservoir connected via a flexible steel hose
and progressive ZERO Friction springs with the correct oil
allowing you to easily fine-tune how quickly the rear suspension recovers after hits and bumps
A matched suspension set centered around the 623 reservoir shock for the rear and a coordinated fork upgrade at the front
Wilbers Fork Spring - Zero friction - Progressive Fork Seals Our premium 623 shock featuresWilbers 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:
