PRODUCT SPECIFICATIONS
| MODEL NO |
BB-ES51 |
| SERIES |
SHIMANO |
| Structure|Standard |
✔ |
| Spindle|Hollow pipe |
✔ |
| Spindle|OCTALINK |
✔ |
| Axle length/shell width (mm)|113|68 (BC1.37) |
X (for double) |
| Axle length/shell width (mm)|113|70 (M36) |
X (for double) |
| Axle length/shell width (mm)|113|73 (BC1.37) |
✔ |
| Axle length/shell width (mm)|118|68 (BC1.37) |
✔ |
| Axle length/shell width (mm)|118|73 (BC1.37) |
✔ |
| Axle length/shell width (mm)|121|68 (BC1.37) |
X (for triple) |
| Axle length/shell width (mm)|121|70 (M36) |
✔ |
| Axle length/shell width (mm)|126|68 (BC1.37) |
✔ |
