Rear Shock Spring Fork Upgrade Kit Promoto replacement fork tubes —

Promoto replacement fork tubes — OEM fit

stiffer spring rate

The Hyperpro Twin Shock Combikit includes front and rear springs

and progressive shim stack for consistent performance

matched setup for confident ergonomics

Rear Shock Spring Fork Upgrade Kit Promoto replacement fork tubes —The 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.