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Replacement BSA bottom bracket for Box One™ -or- Box Two™ M30 cranks (aka M30-M or M30-P). Please note, this bottom bracket is designed to work only with Box One M30-M and Box Two M30-P cranks and is not compatible with cranks from other manufacturers.
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Note: This item will be shipped to you direct from the Manufacture listed, if you are located in the USA. This may take a few extra days to ship and will ship separately to you if you are ordering other items from different brands.
Shell Width: 68mmThread: 1.37" x 24 TPI
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BOX TWO EXTERNAL SEALED 30MM BOTTOM BRACKET