
American BB Cups
- The outer diameter is 51.5 mm (American bottom bracket shell)
- The inner diameter is 41.275 mm ("MID" BMX bottom bracket shell)

American BB CupsBlack / American
Sale price23.95$

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- The outer diameter is 51.5 mm (American bottom bracket shell)
- The inner diameter is 41.275 mm ("MID" BMX bottom bracket shell)

