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KTM 890 Duke / 890 Duke L – Sharper Response
Designed for cost-conscious riders
Ready to take your suspension performance to the absolute limit
We replace the fork’s linear springs with progressive units for better initial compliance and more support later in the stroke
Wilbers Fork Spring - Zero friction - Progressive Fork Upgrade Kit KTM 890 Duke / 890Wilbers 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:
