Pinasco ANTICIPATED CRANKSHAFT IN FORGED STEEL RACING CHROME CONNECTING ROD WITH ROLLER CAGE INCLUDED - ORIGINAL STROKE 57mm pinasco crankshafts for Vespa made of forged steel, CNC machined and with superb performance. The forging, the mechanical processing, the numerous heat treatments and the centering carried out on each single piece guarantee a very high standard of quality and reliability. The connecting rod, also obtained by forging, has been designed to ensure maximum reliability even in lazy conditions of use, numerous notches and lubrication holes made on the foot and connecting rod head allow greater lubrication of the roller cages, those of the silver head, reducing friction and wear to a minimum. Your feedback is very important to us and helps us to better serve buyers: We kindly ask you to. For any problem, before you leave negative or neutral feedback.If you don't express your satisfaction with. By express courier GLS EXECUTIVE. Pinasco crankshafts for Vespa made of forged steel, CNC machined and with superb performance. If you don't express your satisfact.