STD +25 +50 +75 +100 33mm 32.75mm 32.5mm 32.25mm 32mm Motorcycle Con Connecting Rod Main Bearing for CBR600 F2 F3 CBR 600 This connecting rod main bearing is designed for use with specific motorcycle engine models.It is available in multiple sizes including standard and oversize options of +25, +50, +75, and +100 microns.The outer diameter measures 33mm, with reduced sizes of 32.75mm, 32.5mm, 32.25mm, and 32mm to accommodate various machining requirements.The bearing fits certain inline-four cylinder engines commonly found in sport motorcycles.It is engineered for precise fitment within the connecting rod assembly and supports under typical engine loads.This component is intended for engine rebuilds or performance maintenance where crankshaft and rod wear necessitate dimensional correction.This is a compatible aftermarket part.References to brands or models do not imply OEM association.