-30 mm Lowering Rear Shock Spring Streetbox and Preload Adjustable Fork Caps

and Preload Adjustable Fork Caps (included depending on specific bike application)

the shock absorber of the Aprilia Tuono V4 1100 Factory KG has noticeably too much rebound damping

Geometry is subtly corrected via negative travel so seat height remains essentially stock while steering feel improves

The kit's advanced Fork Cartridge system allows for precise adjustments

The pairing improves traction

-30 mm Lowering Rear Shock Spring Streetbox and Preload Adjustable Fork CapsThe Progressive Lowering Rear Spring is designed to lower the bike while enhancing ride quality. It fits onto the original shock, offering a straightforward upgrade for improved comfort and performance.