Motorcycle Steering Stem Pressure Ball Bearing Kit for CBR600 F F3 F4i FR FS F4 F2 GL1800B 91015-KT8-005 91016-KT8-005 This bearing kit is designed for use in the steering stem of select motorcycle models.It includes ball bearings engineered to support smooth steering and reduce friction at the steering head.The set contains all necessary components to replace worn or damaged bearings, performance during riding.Compatible with specific motorcycles requiring part numbers 91015-KT8-005 and 91016-KT8-005.Installation requires standard mechanical tools and knowledge of steering system maintenance.