for GILERA/ PIAGGIO 125-180ccm 2T AC/ LC stroke 52.0mm conrod 105.0mm pin 16mm 92mm crankwebs Grade B – decent repair Product description This isn’t about hard core tuning – if what you want is a dependable and inexpensive original replacement, then thesecrankcases are exactly what the doctor ordered! Just like the original, only dirt cheap! Original replacement part, low priced, suitable for untuned or slightly tuned motors. No performance increase, range of use up to circa 12.000 rpm’s. Don??t forget new bearings, gaskets and oil seal rings!