Polini Hi-Speed Evolution variatorScooter tuning made in Italy: Polini Variator Hi Speed Evolution d=13mm Minarelli horizontal (Yamaha Aerox / China-based 2-stroke).The Hi Speed Evolution stands for next level tuning - Polini redesigned the layout and used even better materials so your scooter will get a considerable boost. Accelaration, shifting characteristics and top speed will be much improved.Benefits Polini Hi speed variatorPulley angles were designed to improve acceleration, the surfaces are polished, lubrication of the variator sleeve is also improved, and the roller weight material is even more resistant to wear. All of these factors not only boost performance but also reduce maintenance intervals and costs.The variator was developed for use with original torque drive and a standard length drive belt; we recommend using a reinforced belt. This Polini Hi Speed Evolution Minarelli horizontal is the perfect CVT for racing and even high-end racing engine set-ups..Contents Polini Hi Speed Evo CVT for Minarelli:variator with ramp plate and pulley2x 6 roller weights 19x15.5mm (3.2g and 3.8g)reinforced torque spring Evo Slider + 8%spring seat Evo Slider

• Brand: Polini
• SKU: U241.731
• 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,