
POLINI Roller Set 25x11mm 7g - 12 pieces (manufacturer reference: 242.318) — original POLINI rollers designed for fine-tuning the variator of scooters. This set allows for precise adjustment of the transmission behavior to find the desired compromise between acceleration and engine speed during urban use.
These rollers are intended for variator tuning: by changing the weight of the rollers, you modify the RPM curve and the locking of the variator. Ideal for enthusiasts who want to fine-tune their scooter's response in urban traffic to the nearest tenth of a gram. They are aimed at riders and scooterists looking for precise calibration for their primary transmission.
Compatibility (common examples):
Note: sold as a set of 12 rollers. Always check the reference compatible with your variator before installation.