Polini Variator, Piaggio HiPer2
The variator is one of the best upgrades for the money. These kits provide better acceleration and top speed. Polini offers one of the most effective kits on the market aswell. This setup comes with:
Upgraded stiffer contra spring
Twist control bushing
Upgraded ramp and sliders
Will fit any air or water cooled scooter with the Piaggio "HiPer2" engine. Typhoon, ET2, ZIP, SR50, Derbi etc.