Theory Mid Bottom Bracket Kit (Black) (19mm)

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Price: $25.99

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Theory Mid Bottom Brackett Description:

The Theory Mid BB Kit includes 2 precision sealed Mid bearings, a drive and non-drive side aluminum dust cap, an internal tube spacer, and several external spacers to use as needed to dial in your specific set up.


Features:

  • Precision sealed bearings
  • Drive side and non-drive side specific dust cap
  • External spacers included for chain alignment
  • Available in multiple color options

Be sure to grease up your new bottom bracket kit while installing it. This makes installation easier and keeps the bearings running smooth with a longer lifespan. Find grease here.

This product was added to our catalog on April 28, 2026

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