FC-M131
FC-M131
FEATURES
- 8/7/6-speed
- Crank arm lengths: 170mm
- Chainline: 47.5mm
- Chain guard option available
- Chainring combinations: 42-34-24T, 48-38-28T
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M131 |
|---|---|
| SERIES | SHIMANO |
| Color | Series color |
| Remarks | SHIMANO logo |
| Axle length of BB-UN/ES (mm)_Threaded (chain case) | D-NL K |
|---|---|
| Axle length of BB-UN/ES (mm)_Threaded (normal) | D-NL |
| Chain case compatible | ✔ |
| Chainring combination | 48 |
| Compatible bottom bracket type_Square | ✔ |
| Crank arm length (mm)_170 | ✔ |
| Spider/Gear arms | 4 |
| Optional chain guard_With chain guard | ✔ |
| Optional chain guard_Without chain/bash guard | ✔ |
| Recommended bottom bracket_Threaded (chain case) | BB-UN100-K |
| Recommended bottom bracket_Threaded (normal) | BB-UN100 |
| Threaded bottom bracket shell width (mm)_68 | ✔ |
| Threaded bottom bracket shell width (mm)_73 | ✔ |
| Q-factor (mm) | 1805 |