Polini Hi-Speed is an electronic device studied for E-bike equipped with Brose, Bosch, Panasonic and Yamaha engines with the aim to increase the pedal assist mode from 25km/h to 50 km/h exploiting at all the performance that the engine can offer.
The Big Evolution crankcase for Horizontal Yamaha Minarelli engines presents two main features. The most important one concerns the primary gear with variator driven pulley.
The 2016 European Slalom Championship, disputed in Spain on the Bornos lake from June 9th to 16th, ended with a new extraordinary statement of Alexandre Mateos with his Polini Thor engine fitted on a Mac Fly frame, winning both the PF1 and PL1 categories.
Polini Evolution HI-SPEED 530 variator kit is a masterpiece of technology, developed to enhance at the maximum the performance of you maxi scooter.
For Vespa Sprint, Primavera 125 4T and Piaggio Liberty 125