BuildMyMTB › Parts › Gravel bike › Bottom Bracket › Shimano
Shimano Bottom Bracket
3 models, 5 verified variants. Only rows checked against Shimano’s own page are listed; each links into the Gravel bike builder.
- Shimano BB-RS500 (3 verified variants)
- Shimano SM-BB52 (1 verified variant)
Fits a bsa-road bottom-bracket shell · Takes a 24mm-road crank spindle - Shimano SM-BB72-41B (1 verified variant)
Fits a bb86 bottom-bracket shell · Takes a 24mm-road crank spindle
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.