Malossi MHR crankshaft engineered for Minarelli horizontal engines, delivering entry-level to race-ready performance.

This full-circle HPC (High Primary Compression) design maximizes pre-compression for superior cylinder filling and extends the powerband into higher RPM territory. Rated to 16,000 rpm with premium materials and precision engineering. Pairs seamlessly with 70cc racing cylinders for competitive setups.

• Minarelli horizontal, 12mm piston pin
• Stroke : 39.3 mm
• Connecting rod : 80 mm
• Small end bearing : 12x17x16mm