Protection from intense off-road contamination and frequent high pressure washing. SKF utilizes decades of bearing sealing experience to provide solutions that give the ultimate riding experience with reduced friction, increased service intervals and longer bearing life. The Wheel Seal Kit also includes SKF bearings. Wheel seals and bearings included in kit. Bearings and spacer included for an ideal seal running surface and optimum seal performance. Designed to increased sealing efficiency with reduced friction. Superior contamination protection for longer wheel bearing life. Resistance to high pressure water wash with patented integrated rotating plastic shield. Longer service intervals. Overall higher reliability for continued high performance of the motorcycle.