All Balls Swing Arm Bearing and Seal Kit KTM Husqvarna Beta Gas Gas SX SX F125 450 16 23 EXC F250 500 17 23 MC MC F EC EC F 21 23 Beta RR 05 23 ODI grips produced in TPU (Thermoplastic polyurethane) Size:90 100 21 NHS produced in TPU (Thermoplastic polyurethane) to guarantee better resistance to abrasion and impacts The Race cover is the perfect item to keep in your kit bag for those rainy days POM composite washer bearings are employed to replace thrust needle washers All Balls Racing Swing Arm Bearing & Linkage Kits encompass all the components necessary for a thorough reconstruction of the swing arm and linkage on your dirt bike