Polini Hi-Speed variatorThe CVT's job is to properly translate the engine's power at its optimal RPM. The Polini Hi-Speed variator comes with 16x13mm / 6.9g rollers (corresponds to the setting when using the original exhaust) and with a reinforced contra spring.Polini Hi-Speed performanceThe roller tracks of the Hi-Speed have been optimized compared to the previous model. The scooter accelerates better, and top speed is increased, as long as you use the correct weights. We recommend testing different weights to further improve shifting behavior and performance.It is compatible with a standard-size belt, but we highly recommend using a reinforced belt.The “Hi-Speed” tuning CVT is recommended for 50cc sport/racing setups.

• Brand: Polini
• SKU: U241.671
• 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,