Rear Shock Spring Spring Color:Purple gas-pressurized rear shock is equipped

gas-pressurized rear shock is equipped with a piggyback reservoir for optimal pressure balance and temperature under extreme conditions

and two black axle mounts

Superior heat dissipation and zero damping fade

This results in smoother initial movement and greater reserve in the second spring rate

Exclusive finish: milled aluminum parts anodized black

Rear Shock Spring Spring Color:Purple gas-pressurized rear shock is equippedThe 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.