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The Crankshaft is a component of an engine located in the middle of the crank case. Its function is to transfer the power generated by the combustion and expansion of gasses that occurs in the cylinder to the output shaft via a transmission. (Some engines use the crank shaft as the out put shaft but very few. Those engines do not require a transmission.) It works by converting the reciprocating motion of the piston to a spinning motion via a connecting rod. The spinning force it creates is measured in torque.


Here at ICR we want you to have the best selling crankshafts available so we test all the ones we can get our hands on. We have special cranks from CB, Polini, Malossi, WY, and more. So take a look around and see if you find what your looking for....