High-performance racing crankshaft from Polini engineered for tuned and racing engines.

The reinforced, CNC-machined connecting rod delivers durability across Mid-Race and Sport applications up to 70cc. Accommodates 10mm piston pins and pairs seamlessly with sport and racing cylinders producing up to 14 hp.

• Piston pin diameter : 10mm
• Stroke : Original
• Connecting rod : Reinforced, CNC machined
• Application s: Original setups, Sport, Mid-Race configurations
• Minarelli Vertical (MBK Booster / Yamah Slider etc.)