Crankshaft Malossi MHR RHQ 12mm, 85mm conrod Minarelli Horizontal Nerf Bars 86cc = 50mm Piston Bore

86cc = 50mm Piston Bore x 44mm Stroke

sport and original cylinders without having to replace the crankshaft

If running a 21" or larger tire these will not fit as they are designed to work with a smaller tire

it is necessary to draw fully from the Malossi catalogue

This allows for switching between high-end

Crankshaft Malossi MHR RHQ 12mm, 85mm conrod Minarelli Horizontal Nerf Bars 86cc = 50mm Piston BoreHigh quality crankshaft by Malossi. HPC stands for high primary compression, or in plain English, it's a fullcircle crankshaft. The higher primary compression leads to a better charge, which moves the power band up the rpm range. Slightly weaker acceleration but more power are the results.