SRAM Hub Bearing Set Rear (includes 1-6903 & 1-63803D28) For X0/Rise 60 (B1)/Roam 30/Roam 40/Rail 40
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SRAM Hub Bearing Set Rear (includes 1-6903 & 1-63803D28) For X0/Rise 60 (B1)/Roam 30/Roam 40/Rail 40 Info
The SRAM Hub Bearing Set Rear (includes 1-6903 & 1-63803D28) For X0/Rise 60 (B1)/Roam 30/Roam 40/Rail 40 is the factory-spec replacement bearing kit for a range of SRAM's MTB rear hubs. It includes two bearings — a 6903 and a 63803D28 — covering the complete rear hub bearing positions so you can restore smooth, precise wheel rotation without guesswork about compatibility.
Bearings are a wear item, and running degraded ones puts unnecessary stress on your hub shell and axle. Replacing them with the correct SRAM-spec parts keeps your wheel tracking true and your drivetrain running quietly — a straightforward service item that makes a noticeable difference underfoot on longer trail rides or technical descents where hub engagement and wheel feel matter.
SRAM Hub Bearing Set Rear Specs at a Glance
- Includes: 1x 6903 bearing, 1x 63803D28 bearing
- Compatible Hubs: SRAM X0, Rise 60 (B1), Roam 30, Roam 40, Rail 40
- Position: Rear hub
- SKU: 11.1918.003.040
- Manufacturer: SRAM
