SRAM Hub Bearing Set Rear (includes 1-6903 & 1-63803D28) For X0/Rise 60 (B1)/Roam 30/Roam 40/Rail 40 EA Cartridge Bearing

11.1918.003.040 SRAM Hub Bearing Set Rear (includes 1-6903 & 1-63803D28) For X0/Rise 60 (B1)/Roam 30/Roam 40/Rail 40 Cartridge Bearing EA Material Steel Bearing I.D. (mm) 17 Bearing O.D. (mm) 30 Bearing O.D. (mm) 28 Thickness 7