Shimano Acera RD-M3020-SGS Rear Derailleur – 7/8-Speed, Long Cage

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

• Color: Black
• Rear Derailleur Mount Type: 10×1 Standard
• Chain Wrap Capacity (teeth): 45
• Cage Length: Long
• Rear Der/Shifter Compatibility: Shimano Mountain
• Drivetrain Speeds: 8 , 7

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