SQUARE TYPE BOTTOM BRACKET
BB-UN300
SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure
SQUARE TYPE BOTTOM BRACKET
FEATURES
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- 3 structures available
- Standard, E-type, chain case options
- Adapter material: Aluminum
PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN300 |
|---|---|
| SERIES | NEXUS INTER-3 |
| Remarks | * w/ Crank arm fixing screws spec. only ** w/ Crank arm fixing screws spec. is available |
| Structure|Standard | ✔ |
| Spindle|Square type | ✔ |
|---|---|
| Axle length/shell width (mm)|107|68 (BC1.37) | ✔ |
| Axle length/shell width (mm)|MM110|68 (BC1.37) | ✔ ** |
| Axle length/shell width (mm)|LL113|68 (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)|117.5|68 (BC1.37) | ✔ ** |
| Axle length/shell width (mm)|XL118|68 (BC1.37) | ✔ ** |
| 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|73 (BC1.37) | ✔ * |
| Axle length/shell width (mm)|D-EL 127|68 (BC1.37) | ✔ * |
| Axle length/shell width (mm)|LL123|68 (BC1.37) | ✔ |
| Axle length/shell width (mm)|LL123|73 (BC1.37) | ✔ |