SHIMANO NEXUS - Cartridge Bottom Bracket - For Chain Case
The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks.
PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN26-K |
|---|---|
| SERIES | SHIMANO ALTUS M2000 Series |
| Remarks | * w/ Fixing bolts |
| Structure_For chain case | ✔ |
| Axle length/shell width (mm)_YL117_68 (BC1.37) | X* (chainline: 47.5) |
|---|---|
| Axle length/shell width (mm)_117.5_68 (BC1.37) | ✔ |
| Axle length/shell width (mm)_D-NL 122_68 (BC1.37) | X* |
| Axle length/shell width (mm)_LL123_68 (BC1.37) | X (t=1.8) |
| Axle length/shell width (mm)_MM110_68 (BC1.37) | ✔ |
| Spindle_Square type | ✔ |