All Balls Racing 01-03 KTM JR ADV 50 Swing Arm Bearing KitPOM composite washer bearings replace thrust needle washers for increased service life and superior resistance to water and dirt POM composite washer bearings replace thrust needle washers for increased service life and superior resistance to water and dirt Needle bearing shafts are made with 52100 bearing steel that has been hardened and precision ground Kits contain all the components required to properly rebuild the swingarm bearing assembly All