SHIMANO ALIVIO - Front Derailleur - SIDE SWING - Clamp Band Mount - 2x9-speed
The SHIMANO ALIVIO FD-M4020 series 2x9 front derailleurs use SHIMANO's new SIDE SWING for enhanced cable routing, light action, and smooth operation. The new design also increases clearance for large wheels and short chain stays.
FEATURES
- Enhanced maneuverability with plus-sized tires
- Wider clearance for large wheels
- Compatible with shorter chainstay
- 3 mm outboard chainline
- Increased shifting efficiency and light operation force
- Efficient cable routing
- Smooth shifting performance
- Optimal front system for internal cable routing
PRODUCT SPECIFICATIONS
| MODEL NO | FD-M4020-M-B |
|---|---|
| SERIES | ACERA M3000 Series |
| Color | Series color |
| Compatible chain | HG 9-speed |
| Action|SIDE SWING | ✔ |
|---|---|
| Mount|Clamp band (mm)|28.6 | X (w/ S size adapter) |
| Mount|Clamp band (mm)|31.8 | X (w/ M size adapter) |
| Mount|Clamp band (mm)|34.9 | ✔ |
| Cable route type|Front-pull | ✔ |
| Chain line (mm) | 51.8* |
| Chainstay angle (deg.) | 64-69 |
| Top gear teeth | 36T |
| Total capacity | 14T |
| Angled stroke adjust screw | ✔ |
| Link bushings | 4 |