Polini Hi-Speed Control Variator Kit for 50cc 4-Stroke Honda Ruckus and Metropolitan INCLUDES: Variator Variator Back Plate Variator Pin Roller Weights COMPATIBILITY: Honda – Ruckus 50 4T, Metropolitan 50 4T Polini 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 Honda cloned scooters, which use the 139QMB engine. **