Double Servo mechanism enables the rear derailleur to move in an optimum path
Versatile performance and wide compatibility
SGS Long cage
Chain Wrap Capacity (teeth): 45
Drivetrain Speeds: 7,8
Description
The Shimano Acera RD-M3020 rear derailleur features Double Servo technology to provide smooth, precise shifting and helps you ride challenging terrain with fewer interruptions. Double Servo mechanism enables the rear derailleur to move in an optimum path Versatile performance and wide compatibility SGS Long cage
