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.
- 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 October 12, 2023