POLINI Hi-Speed Evolution 2 Variator Kit (Piaggio, Gilera, Vespa 50 2 Stroke)
POLINI Hi-Speed Evolution 2 Variator Kit delivers precision performance for Piaggio, Gilera, and Vespa 50cc 2-stroke engines. This race-spec kit features six 19x15.5mm rollers engineered for aggressive acceleration and responsive throttle control on your sport scooter.
Designed for 16mm racing crankshafts, the Evolution 2 variator optimizes power delivery across the rev range with its 12.5° angle geometry. Roller weights of 3.8g to 4.3g ensure smooth engagement and reliable shift characteristics, making it ideal for riders seeking competitive edge on track or road.
Comparison No. 241.749 (POLINI)
