General description SRAM Hub Bearing Set Front is designed for use with X0 hubs, RISE 60 (B1), ROAM 30, ROAM 40, and RAIL 40 models. This set includes two bearings (2-23327) to ensure smooth and reliable performance for your bike's front wheel. Technical specifications Part number: 11.1918.003.030 Includes: 2 bearings (2-23327)