PRODUCT SPECIFICATIONS
| MODEL NO | FC-M523 |
|---|---|
| SERIES | SHIMANO |
| Color | Black, Silver |
| AllBrandCommon BikeType | MTB |
| Axle length of BB-UN/ ES (mm)_Threaded (normal) | 118 |
|---|---|
| Arm adapter | ✔ |
| Chain line (mm) | 50 |
| Chain ring combination | 40 |
| Compatible BB type_Octalink | ✔ |
| Compatible chain | HG-X 10-speed |
| Crank fixing bolt included | ✔ |
| Crank arm length (mm)_170.0 | ✔ |
| Crank arm length (mm)_175.0 | ✔ |
| Gear arms | 4 |
| OCTALINK technology | ✔ |
| Optional chain guard_With chain guard | ✔ |
| Optional chain guard_Without chain / bash guard | ✔ |
| P.C.D. (mm) | 96 |
| Rear speeds | 10 |
| Recommended BB_Threaded (E-type) | BB-ES300-E |
| Recommended BB_Threaded (normal) | BB-ES300 |
| Threaded BB shell width_68mm | ✔ |
| Crank arm fixing bolt_With | ✔ |
| Q-factor (mm) | 1828 |