SHIMANO - Square Type Bottom Bracket - MTB - Chain Case Structure
Square Type Bottom Bracket
FEATURES
- SHIMANO quality/performance cartridge bearing square bottom bracket
- 2 structures available
- Standard and chain case options
- Adapter material: Resin
PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN101-K |
|---|---|
| SERIES | ACERA T3000 Series |
| Remarks | * w/ Crank arm fixing screws spec. is available ** w/ 0.7 mm spacer |
| Structure|For chain case | ✔ |
| Spindle|Square type | ✔ |
|---|---|
| Axle length/shell width (mm)|D-NL 122|68 (BC1.37) | X * |
| Axle length/shell width (mm)|LL123|68 (BC1.37) | X ** |