Polini Hi-Speed Control Variator Kit for 50cc 4-Stroke Honda Ruckus and MetropolitanINCLUDES: VariatorVariator Back PlateVariator PinRoller WeightsCOMPATIBILITY: Honda – Ruckus 50 4T, Metropolitan 50 4TPolini Hi-Speed offers some of the strongest drive of any variator on the market. The roller surfaces make for improve transfer of power meaning increased acceleration, with less focus on the top end speed. Power you can feel, but not quite as strong as the option from Malossi and co. Makes a great everyday vario. Delivery includes: 2x sets vario-rollers 16×13 at 6.9g and 5.6g and 1 x set of sliders. Suitable Honda Zoomer/ Ruckus and Metropolitan CHF50/P I & II Scooter scooters.**This variator kit will work on the Honda Ruckus and Metropolitan only. This will not work on the 50cc 4-stroke Chinese Hondacloned scooters, which use the 139QMB engine.**