Specialized Roval LFM02/LFM03 Sealed Hub Bearing Description: This Specialized Roval LFM02/LFM03 Sealed Hub Bearing replaces hub bearings found within select Roval sealed bearing hubs found equipped on select Specialized bike models. Features: Genuine Specialized replacement parts Sealed bearing for Roval LFM02 and LFM03 rear hubs 6902-2RS sealed bearing Sold Individually Specifications: Material: Steel Bearing I.D. (mm): 15mm Bearing O.D. (mm): 28 mm Thickness: 7mm Manufacturer Number: 6902-2RS