-30 mm Lowering Fork Spring Kit Front Spring Kits semi-active system that continuously adapts

semi-active system that continuously adapts to road surface and riding conditions

The suspension geometry on both the front and rear axles has been sensibly optimized through adjustments to the negative spring deflection

Extensively tested in BMW IDM Superbikes

A large 30 mm piston ensures smooth

We also fine‑tune chassis geometry by increasing negative travel slightly while maintaining seat height for a neutral

-30 mm Lowering Fork Spring Kit Front Spring Kits semi-active system that continuously adaptsDesigned to lower the front end when yokes can't, Hyperpro's Progressive Lowering Fork Springs are recommended for front and rear lowering to maintain optimal bike handling.