8.1 / R-18 crankshaft C47 B100 Ø84 (for 100cc) for 8.1 “Fireblade” crankcase.

In high resistance steel and great inertia with tungsten inserts, connecting rod forged in special steel. Stroke: 47mm Connecting rod: 100mm Outside diameter: 84mm Width: 46mm Pin axle-connecting rod: 18mm Weight: 2Kg c.a. Balance 50% It mounts bearings with an internal diameter of 25mm Products intended exclusively for competitions, forbidden to use on the road. We decline any responsibility for improper use. Made in Italy product.