Fits Shimano crankset with external bearings (Hollowtech II).
Fits frame widths of 68 mm and 73 mm.
BSA thread.
closing bearings.
Can be used with crank mounted front derailleur.
Also used as a replacement for SM-BB51
| Manufacturer | Shimano |
| Hole diameter | 24 mm |
| Width of the bottom bracket | 68 mm, 73 mm |
| Type of thread | BSA |
| Bottom Bracket System | Hollowtech II (Shimano) |
| Barcode / EAN | 4524667869054 |
| Color | Silver- |
