All Balls Swing Arm Bearing Kit Swing arm bearing kit for Off-Road Motorcycle and ATV The most comprehensive line of Off-Road and ATV Swingarm kits available anywhere One kit does it all! All of the bearings, seals, shafts, bushings, thrust bearings (if required) in one all inclusive kit in order to do the job correctly and completely All bearing shafts manufactured with 52100 bearing steel that is hardened and centerless ground for a precision fit and extended wear All steel spacers are case-hardened and plated for resistance to wear and corrosion