FC-M131
- 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 |
Bike Type |
MTB |
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 |
✔ |
Chain line (mm) |
47.5 / 47.5+t |
Chain ring combination |
48 |
Compatible BB type_Square |
✔ |
Compatible BB type |
Square |
Compatible chain |
HG for 8-speed | HG for 7-speed |
Crank Arm Length |
170mm | 175mm |
Crank arm length (mm)_170.0 |
✔ |
Gear arms |
4 |
Optional chain guard_With chain guard |
✔ |
Optional chain guard_Without chain / bash guard |
✔ |
Optional Chain Guard |
With chain guardWithout chain / bash guard |
Recommended BB_Threaded (chain case) |
BB-UN100-K |
Recommended BB_Threaded (normal) |
BB-UN100 |
Threaded BB shell width_68mm |
✔ |
Threaded BB shell width_73mm |
✔ |
Threaded BB Shell Width |
68mm | 73mm |
Crank arm fixing bolt_Without |
✔ |
Q-factor (mm) |
1805 |