-30 mm Lowering Rear Shock Spring Spring Color:Purple which Wilbers refines by slightly

which Wilbers refines by slightly increasing the spring rate and optimizing both rebound and compression damping

This achieves a noticeably higher level of riding comfort and more stable handling

This comprehensive solution improves cornering

This premium kit represents a significant leap beyond the capabilities of the YSS PD Valve

We also correct excessive negative travel by building the shock slightly shorter

-30 mm Lowering Rear Shock Spring Spring Color:Purple which Wilbers refines by slightlyThe 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.