Sugino MB-608 (BSA) Steel Bottom Bracket
The BB series features advanced seal design to protect bearing against water and dust and offers excellent rotation performance for smoother pedal strokes. Service and maintenance of the bearing are not required.
Left and right cups separated, joining the cups with a plastic sleeve, optimized design for light weighting.
A slim sleeve allows Di2 wire to go around it.
- Axle : IDS24
- Cup thread : BC1.37x24T
- BB shell width : 68mm
- Bearing : Ceramic (Dark grey) / Steel (Silver)