Crankshaft TOP RACING full circle Piaggio / Derbi D50B0

High-quality Top Racing full-circle crankshaft for racing. The specialist Portuguese crankshaft manufacturer is a symbol of high-quality crankshafts. Increased pre-compression in the cases provides a more efficient filling rate. The power band shifts to a higher rev range. Due to the increased inertia of the solid-metal
Design, performance and torque are improved. It should, however, be used with 70cc cylinders. With 50cc cylinders, the performance increase is somewhat lower. The crankshaft is supplied with a small-end bearing. Made in Europe