Wilbers Fork Spring - Zero friction - Progressive Carline elevating your motorcycle's performance to

elevating your motorcycle's performance to new heights

Compared to stock

it delivers motorsport-grade performance

The YSS Front Fork Upgrade Kit is a highly cost-effective

it is often a poor compromise and access to the adjustment knobs is not guaranteed

Wilbers Fork Spring - Zero friction - Progressive Carline elevating your motorcycle's performance toWilbers 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: