Polini For Race crankshaft engineered for high-performance Minarelli horizontal engines.

Features a reinforced forged connecting rod designed to handle tuned setups and racing applications up to 70cc. Rated for sport and racing cylinders delivering up to 14 hp. Equipped with small end bearing for 12mm piston pin. 

• Piston pin : 12mm
• Stroke : Original
• Connecting rod : Reinforced, forged
• Power rating : Up to 14 hp
• Application : Sport / Mid-Race
• Compatibility : Minarelli horizontal 50cc engines