Protection from intense off-road contamination and frequent high pressure washing. SKF utilizes decades of bearing sealing experience to provide solutions that gives the ultimate riding experience with reduced friction, increased service intervals and longer bearing life. Increased sealing efficiency with reduced friction and power loss. Spacer enables ideal running surface and sealing performance. Superior contamination protection for longer bearing life. Resistance to high pressure water wash. Longer service intervals. Overall higher reliability for continued high performance of the motorcycle. High Quality SKF wheel bearings.