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 |
| Bottom Bracket System | Hollowtech II (Shimano) |
| Type of thread | BSA |
| Width of the bottom bracket | 68 mm, 73 mm |
| Hole diameter | 24 mm |
| Barcode / EAN | 4524667869054 |
| Color | Silver- |
