- BSA73mm Threaded
- Press Fit 92/89.5
- Press Fit 30 (Outboard Bearing Style Only)
- BB30 (Outboard Bearing Style Only)
- 392 EVO
The optimal Bottom Bracket to use with eeWings Mountain is the Hellbender Bottom Bracket. Hellbender Bottom Brackets are available in BSA Threaded, BB30, PF30, and PF41/92 options