Rear Shock Spring Fork Upgrade Kit Pair with our specially formulated

Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance

Promoto replacement fork tubes — OEM fit

Our vibratory finishing process (trough vibrator with tailored media) micro-polishes the spring surface

and progressive shim stack for consistent performance

making it an ideal choice for motorcycles with limited installation space

Rear Shock Spring Fork Upgrade Kit Pair with our specially formulatedThe 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.