PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN55 |
|---|---|
| SERIES | SHIMANO |
| Structure_Standard | ✔ |
| Axle length/shell width (mm)_107_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_107_70 (M36) | ✔ |
|---|---|
| Axle length/shell width (mm)_107_73 (BC1.37) | ✔ |
| Axle length/shell width (mm)_MM110_73 (BC1.37) | ✔ |
| Axle length/shell width (mm)_LL113_73 (BC1.37) | ✔ |
| Axle length/shell width (mm)_D-H_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_D-H_70 (M36) | ✔ |
| Axle length/shell width (mm)_XL118_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_XL118_70 (M36) | ✔ |
| Axle length/shell width (mm)_XL118_73 mm | ✔ |
| Axle length/shell width (mm)_D-NL 122_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_D-NL 122_70 (M36) | ✔ |
| Axle length/shell width (mm)_D-NL 122_73 (BC1.37) | ✔ |
| Axle length/shell width (mm)_D-EL 127_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_LL113_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_LL113_70 (M36) | ✔ |
| Axle length/shell width (mm)_MM110_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_MM110_70 (M36) | ✔ |
| Spindle_Square type | ✔ |