The relatively inexpensive Racing Crankshaft from Polini is a rock-solid investment for those who want to rebuild their vertical Minarelli engine, but do not yet know whether further tuning measures are planned. Whether as a replacement part or tuning, with this Polini crankshaft you cannot go wrong. The proven quality crankshaft from Italy comes with a polished rod and 10mm Polini little end bearing. Replace the crankshaft with the Polini number 210.0008.