variator / vario kit Polini Hi-Speed for Piaggio Boss, Boxer, Bravo, Ciao, Grillo, Si 241.311

The Hi-Speed by Polini is one of the strongest sets of variators on the market. The roller surfaces are calculated in such a way that the engines power is easily transferred to the road. This leads to significantly more acceleration and makes this sporty variator very suitable for everyday use. Variator weights: 16x13 (4.4g and 5.6g).