Package: 18pcs set including 8pcs connecting rod bearings and 10pcs crankshaft bearings Size: Connecting rod standard shaft diameter: 27.5mm; Crankshaft standard shaft diameter: 28mm Compatibility: Fits CBR250 MC22 (90-94), CB250 (96), CB250 Jade (91-94) Performance: Improved pressure resistance, fatigue resistance, and anti-occlusion ability The 27.5mm 28mm 18pcs STD +0.25 +0.5 Connecting Rod and Crankshaft Bearing Kit is designed for use with CBR250 MC22, CB250, and CB250 Jade models from 1996.The set includes 8 connecting rod bearings and 10 crankshaft bearings, providing a complete solution for engine rebuilding.Constructed from aluminium tin , the components offer enhanced wear resistance and structural stability.Precise dimensions proper fitment with connecting rod shaft diameter at 27.5mm and crankshaft shaft diameter at 28mm. This bearing kit supports improved engine performance through increased resistance to pressure, fatigue, and blockage.These characteristics contribute to smoother and longer engine life.Suitable for both routine maintenance and full engine rebuilds, the kit is compatible with specific motorcycle models as listed.Installation is designed to align with standard engine specifications, allowing for straightforward replacement during servicing. This is a replacement part from a third party.All brand/model references serve only to show intended compatibility.