SHIMANO ALIVIO - MTB Crankset - 3x9-speed
The SHIMANO ALIVIO FC-M4050 crank uses an outboard 24mm bb interface and features 40-30-22T 3x9 speed chainrings.
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M4050 |
|---|---|
| SERIES | SHIMANO ALIVIO M4000 Series |
| Color | Series color |
| Spider/Gear arms | 4 arm |
| Chainring combination | 40-30-22T |
|---|---|
| Q-factor (mm) | 176 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|With chain guard | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| 2-PIECE CRANKSET | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | SM-BB52 |
| Recommended bottom bracket|Press-fit | BB-MT500-PA |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Crank fixing screw included | ✔ |
