Rear Shock Spring Spring Color:Black (+$10) With its highly efficient gas-charged

With its highly efficient gas-charged design

pre set and ground to length before being polished for ultimate performance

The conversion also provides a significantly wider adjustment range than the original equipment

much harder spring rate

but with a slightly higher spring rate for improved performance

Rear Shock Spring Spring Color:Black (+$10) With its highly efficient gas-chargedThe Hyperpro progressive rear spring provide an easier cornering, a shorter braking distance, makes the bike less sensitive to weight changes, provides improved tire life, gives a better balance in the bike and better overall feedback of your bike. The rear spring is mounted on your original shock absorber. Every Hyperpro shock spring is developed to the specific needs of the motorcycle.