Rear Shock Spring Spring Color:Black (+$10) 35mm to 54mm Seal Driver

35mm to 54mm Seal Driver Set

Available with a purple progressive spring

Born from the experience gained during the Motorally Italian Championship

Result: noticeably better comfort

Use the top-cap threaded rings to compress the internal springs and set your exact rider sag based on your gear and riding weight

Rear Shock Spring Spring Color:Black (+$10) 35mm to 54mm Seal DriverThe 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.