Wilbers Fork Spring - Zero friction - Progressive Front Fork Guide Bushings We replace the fork’s linear

We replace the fork’s linear springs with progressive units for better initial compliance and more support later in the stroke

our Type 632 shock absorber now features its compression tank mounted on a high-quality milled aluminum bracket

the rear spring rate on Tri Glide models is too soft

The Triumph Tiger Sport 660 is delivered with linear fork springs

The Piggyback Kit perfectly balances sportiness and comfort

Wilbers Fork Spring - Zero friction - Progressive Front Fork Guide Bushings We replace the fork’s linearWilbers 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: