10Pcs Motorcycle Main Crankshaft Bearing STD +25 +50 For CBX750P CB250 CB700SC CB750F CBX 750P CBX750 P This set includes 10 main crankshaft bearings designed for use with specific motorcycle engine models.The package contains standard size bearings along with oversize options of +25 and +50 to accommodate different crankshaft conditions and repair requirements.These bearings are intended for replacement and rebuilding applications on compatible engines.Each bearing is built to fit the crankshaft assembly and support smooth rotational within the engine block.The set supports maintenance and restoration of motorcycles requiring precise internal components.Installation requires proper tools and mechanical knowledge.