Wilbers Fork Spring - Zero friction - Progressive Twin shocks Note: the air chamber still

Note: the air chamber still adds progression near the end of travel

In combination with optimized rebound and compression damping

The Lowering Combikit from Hyperpro includes front and rear springs for effective lowering

the shock absorber of the Harley Davidson Fat Boy 114 FLFBS is fitted with a spring that is too stiff and wound progressively

These non-rebuildable shocks are ideal for casual riders and daily commuting

Wilbers Fork Spring - Zero friction - Progressive Twin shocks Note: the air chamber stillWilbers 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: