Rear Shock Spring Lowering Kits the spring rate has been

the spring rate has been adjusted using a slightly stiffer spring combined with optimized rebound and compression damping

the Promoto Lowering Kit helps improve confidence and control by reducing seat height

This prevents oil thinning and cavitation (foaming) during hard

The spring rates and damping have been developed specifically to deliver the best results when using conventional shock absorbers

you can now adjust your fork’s spring preload and damping for a truly custom setup

Rear Shock Spring Lowering Kits the spring rate has beenThe Hyperpro Progressive Rear Spring enhances cornering, reduces braking distance, and improves overall bike balance and feedback, fitting onto the original shock for easy installation.