Piaggio Counter Spring Kit - Polini
Polini counter spring kit for Piaggio Si, designed to adapt the variator assembly when the transmission requires a different spring load than the original.
Advantages:
- Helps counteract the movement of the rear movable half-pulley in cases where the belt is subject to slipping.
- Suitable solution after installing conversion kits with high torque and power, when the original spring is not sufficient.
- Compatible with Piaggio Si.
Compatibility:
- Piaggio Si