Description
The Shimano Acera RD-M3020 rear derailleur delivers smooth, reliable shifting for 7- and 8-speed drivetrains with Double Servo construction that keeps gear changes precise under load. Designed for versatility and durability, it handles wide-range cassettes and challenging terrain with confidence.
Shimano Acera RD-M3020 Derailleur Item # 907159
Description
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.
Features:
- Double Servo construction for smooth and precise shifting
- Versatile performance and wide compatibility
- Max. low sprocket: 40T
- Total capacity: 45T