Rear Shock Spring Spring Color:Purple Serviceability: 100% Fully rebuildable and

Serviceability: 100% Fully rebuildable and serviceable for lifetime racing durability

The large external reservoir keeps damper oil cool even under heavy use

the system self-adjusts within a few meters of riding

so the Wilbers shock is designed a bit longer while maintaining the same seat height

Rear Shock Spring Spring Color:Purple Serviceability: 100% Fully rebuildable andThe 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.