Polini Hi-Speed variator KitTuning variator kit "Hi-Speed" by Polini.The Hi-Speed is the successor of Polini's famous "Speed Control" CVT. Roller tracks, bushing, and drive face have been optimized for better performance. Result: noticeably improved power transfer and acceleration, provided the correct roller weights are used.For long Piaggio engines after 1998 (Typhoon, Nrg, Runner, SR50...)Details Polini Hi-Speed CVT Transmission kitCVT with plus ramp plate and sleeve2 sets of 19x15,5mm roller weightsReinforced drive belt2 torque springs (different strengths) and the ingeniuous "Evo Slider" anti-torsion spring seatFor Piaggio with long engine block after 1998.

• Brand: Polini
• SKU: U241.672.2
• Availability: In stock

Notes and Safety Polini Hi-SpeedThe famous Polini brand lists their "Hi-Speed" CVT as part of their catalog for many years. Of course, the CVT has been upgraded and improved over time, but the basic principle is still the same: a tuning variator for original and slightly tuned engines with a noticeable increase in performance compared to the original variator.Performance Polini High Speed CVTWith newly calculated and optimized angles, the Hi-Speed variator allows an extended power band. This shows above all in noticeably better acceleration, but also in a slightly higher top speed.Two integrated O-rings provide the sleeve with better lubrication, resulting in less friction.The low-friction,