SHIMANO - Square Type Bottom Bracket - MTB - Standard 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 |
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SERIES | SHIMANO ALIVIO M3100 Series |
Remarks | * w/ Crank arm fixing screws spec. is available |
Structure|Standard | ✔ |
Spindle|Square type | ✔ |
---|---|
Axle length/shell width (mm)|D-NL 122|68 (BC1.37) | ✔ * |
Axle length/shell width (mm)|LL123|68 (BC1.37) | ✔ |
Axle length/shell width (mm)|LL123|73 (BC1.37) | ✔ |