PARMAKIT reinforced crankshaft. Ideal with a big fat kit or the original engine, the crankshaft is machined in best steels and assembled in the rules of art! It has a reinforced casting rod with a crank pin cages and plus / strengthened! The lubrication are reviewed and improved. This crankshaft has a long stroke to increase engine displacement! It also has a long rod of 110mm (105mm for against original), this improves the motor movement by reducing the sustained pressure on the connecting rod and piston, reducing the working angle of the rod! This crankshaft is assembled with a kit requiring rod 110mm long and 60mm stroke. Or any other kit rod size 105mm origin and race origin with a 6.5mm shim under the cylinder (+ 1.5mm for running and + 5mm for the link). Mounts on LML STAR DELUXE, Vespa PX, TS, Sprint Veloce ... In 125 and 150cc 2T. Race origin 57mm, also available in 60mm long race!