POLINI Roller set 20x12 mm — manufacturer reference 242.154. Pack of 6 rollers designed for fine tuning of the variator and optimizing the behavior of the belt transmission. Each roller weighs 9.2 g, allowing for precise calibration "to the tenth of a gram" to adjust the rev curve and the transmission ratio.
- Diameter: 20 mm
- Width: 12 mm
- Number of rollers: 6
- Unit weight: 9.2 g
- Manufacturer reference: 242.154
These POLINI rollers are aimed at motorcyclists and scooter riders who want to refine the acceleration response and the behavior of the variator without heavy interventions. By changing the weights of the rollers, you can adapt the rev range and the shift point to match your riding style or your equipment (person, luggage, mechanical modifications). The pack contains 6 rollers, sufficient for a complete replacement of the variator drum.
Check the dimensional compatibility with your model before installation. For optimal adjustment and maximum safety, it is recommended to follow the manufacturer's guidelines or have a qualified professional perform the installation.
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