Malossi MHR Crankshaft for zuma / minarelli HQ crankshaft for for sports and racing engines by famous Italian manufacturer Malossi. Excellent full-circle crankshaft with high primary compression, suitable for up to 16,000rpm. Top quality materials and stand-out reliability as is typical for Malossi. Ideally suited for 70cc racing and even “Hyper Racing” projects. Includes a wrist pin bearing as well! For Minarelli vertical or horizontal Now available in 12mm for minarelli horizontal / 02-11 yamaha zuma! Choose from horizontal, or vertical!