This model includes a BB shell and bearings which are specifically designed for use with Gamma Drive Mega Exo cranks (etc axle). Additionally, this genuine FSA replacement part is perfect for swapping out your old or worn-out existing BB.
- Bottom bracket type: BSA threaded
- Shell size: 68 mm/73 mm
- Axle 19mm
- Bottom bracket diameter 44 mm
- BC 1.37" x 24T
- Real weight:108 g