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Double Servo rear derailleur with smooth, precise shifting performance and wide-range capability.
The SHIMANO ACERA M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
FEATURES
PRODUCT SPECIFICATIONS
| MODEL NO | RD-M3020-8 |
|---|---|
| SERIES | ACERA M3000 Series |
| Color | Black |
| Compatible chain | HG 8/7/6-speed |
| Total capacity | 45T |
|---|---|
| Cable adjuster | ✔ |
| Mount_Direct attachment (Conventional) | ✔ |
| Fluoric coated link bushings | 1 |
| Low sprocket_Max. | 40T |
| Low sprocket_Min. | 30T |
| Max. front difference | 20T |
| Pulley_Sunken type pulley bolt | ✔ |
| Pulley_Teeth | 11T |
| Pulley cage | SGS |
| Top-Normal spring type_Double servo | ✔ |
| Top sprocket_Max. | 12T |
| Top sprocket_Min. | 11T |
| Rear speeds | 8/7 |