Size Chart
×Instructions
×Polini Evo reed valve crankshaft with 12mm pin, designed for Piaggio Ciao and Piaggio Si in conjunction with the Polini For Race reed valve crankcase.
Technical specifications:
- Pin: 12mm
- Displacement: 50 cc
Advantages:
- Configuration for 50 cc displacement with 12 mm pin.
- Forged and copper-plated connecting rod, supplied with specific needle roller cage.
- Full webs with balancing designed to reduce vibrations and heat treatment to increase resistance characteristics.
Compatibility:
- Piaggio Ciao
- Piaggio Si