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 16x13 at 7.7g and 8.4g and 1 x set of sliders. Suitable for Keeway, CPI, Generic, Longija, Mawi und Malaguti F12 Phantom R 2007 with 12mm gudgeon pins.