FEATURES
- 10-speed DYNA-SYS compact triple crankset
- Close step triple gear ratio (40-30-22T)
- Stable shifting performance
- HYPERDRIVE with HG-X chain
- Durable middle gear by composite technology
- Rigid and lightweight by HOLLOWTECH, OCTALINK
- Color options: Black, Silver
PRODUCT SPECIFICATIONS
MODEL NO | FC-M523 |
---|---|
SERIES | SHIMANO |
Color | Black | Silver |
Spider/gear arms | 4 |
Chainring combination | 40 |
---|---|
Q-factor (mm) | 1828 |
Crank arm length (mm)|170 | ✔ |
Crank arm length (mm)|175 | ✔ |
Optional chain guard|With chain guard | ✔ |
Optional chain guard|Without chain/bash guard | ✔ |
OCTALINK | ✔ |
Compatible bottom bracket type|OCTALINK | ✔ |
Recommended bottom bracket|Threaded (normal) | BB-ES300 |
Recommended bottom bracket|Threaded (E-type) | BB-ES300-E |
Axle length of BB-UN/ES (mm)|Threaded (normal) | 118 |
Threaded bottom bracket shell width (mm)|68 | ✔ |
Crank fixing screw included | ✔ |
Manuals & Technical Documents
REPLACEMENT PARTS