Malossi RHQ MHR crankshaft – 85 mm connecting rod, 39.3 mm stroke – Piaggio / Gilera

Description

The high-performance Malossi RHQ MHR racing crankshaft is designed for maximum precision, durability, and performance. It is made from high-quality 18 Ni Cr Mo5 material and features a forged monolithic rotating mass, ensuring exceptional strength and long service life even at the highest RPM levels.

All components are machined on high-precision equipment and subjected to five heat-treatment processes, providing excellent surface finish and increased reliability. The crankshaft is dynamically balanced for speeds up to 16,000 rpm, while the connecting rod is forged and paired with a needle bearing suitable for high-rpm applications.

This version features an extended 85 mm connecting rod, making it compatible with MHR Team and Hebo Pantegro cylinders. When used with a spacer, it can also be fitted with other cylinder types.

Technical specifications:

• Material: 18 Ni Cr Mo5

• Stroke: 39.3 mm

• Pin: Ø12 mm

• Connecting rod: 85 mm (extended)

• Balanced up to 16,000 rpm

• High-precision machining & 5× heat-treated

• Compatible with: MHR Team 50cc / 68cc / 77cc, MHR Team II, MHR Team 2012, Hebo Pantegro, Gilera/Piaggio 50cc 2T AC/LC