Top performances GP Trophy CVT kit - Piaggio scooters

Upgrade your cvt for more acceleration, torque, and top speed with this top performances CVT kit! Includes variator, backing plate, rollers, and a upgraded contra spring!  This will fit your Piaggio typhoon, derbi GP1, vespa et2, Aprilia sr50 (2009 and newer) and many more piaggio horizontal powered bikes made after 1999!