• Eastern Mid Bottom Bracket

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Eastern Mid Bottom Bracket

This mid bottom bracket will only work in bikes that have either mid or American bottom brackets. These bearings come ready to install in American BB frames, but can easily convert to fit mid BB frames. You just need to remove the bearing from the outer shell. They include all spacers and chainwheel adaptors.


  • Mid BB Precision sealed bearings (41mm O.D.)
  • Spacers and chainwheel adaptors included
  • Internal Diameter: 19mm
  • Weight: 11.7oz (with cups)

Buy Eastern Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUnited States of America
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
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