Wheels Manufacturing Shimano Road Bottom Bracket w Angular Contact Bearings GrayWheels Manufacturing BSA Bottom Brackets for frames that accept English (BSA) threaded bottom brackets Includes replacement dust covers and seals CNC machined aluminum shell for precise bearing alignment and frame fit Replaceable ABEC 5 Angular Contact Enduro sealed bearings Angular contact ball bearings are particularly suitable for carrying combined axial and radial loads Made in the USA Item Specifications BB Shell Width (mm) 68 BB Frame Interface
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