The Double Servo construction of the Shimano Acera RD-M3020 rear derailleur for mechanical 7- and 8-speed shifting systems provides smooth yet precise shifting performance with every gear change. In doing so, it not only covers a wide range of applications, but also allows you to ride challenging terrain with a minimum of interruptions.
Version with long derailleur cage (SGS).
Material: aluminum (painted), steel (painted / zinc plated)
| Color: | Black |
| Activity: | Cycling |
| Groupset: | Shimano |
| Item code: | SHI555091 |
| Model year: | 2023 |
| Manufacturer: | Shimano Parts |
| Product name: | Shimano Acera RD-M3020 Rear Derailleur - 7/8-speed - SGS | long |
| Shifting system: | 7-speed, 8-speed |
| Usage bikesport: | MTB |
| Manufacturer page: | http://www.shimano-europe.com/ |
| Smallest sprocket: | 11 |
| Shifting actuation: | Mechanical |
| Manufacturer item code: | ERDM30208SGSL |
| Rear derailleur version: | conventional |
| Rear derailleur capacity: | 45 |
| Rear derailleur max. teeth: | 40 |
| Max. chainring spread teeth: | 20 |
