Shimano Acera M3020 7/8-Speed MTB Rear Derailleur

The Shimano Acera RD-M3020 rear derailleur is designed for smooth and precise shifting on 7-speed and 8-speed drivetrains. Featuring Double Servo technology, this derailleur optimizes movement to maintain consistent chain tension, helping riders tackle challenging terrain with ease.

Key Features

✔ Double Servo Mechanism – Enables the derailleur to move along the optimum path for smooth and accurate shifting
✔ SGS Long Cage Design – Accommodates a wide gear range, making it ideal for steep climbs and fast descents
✔ Versatile Performance – Compatible with 7-speed and 8-speed Shimano MTB drivetrains
✔ Durable & Reliable – Built to withstand trail riding and tough conditions

Specifications

• Speeds: 7-Speed / 8-Speed
  
• Cage Length: Long (SGS)
  
• Chain Wrap Capacity: 45T
  
• Derailleur Mount Style: 10x1 Standard
  
• Rear Shifter Compatibility: Shimano Mountain
  
• Color: Black
  

Why Choose the Shimano Acera M3020 Rear Derailleur?
🚴 Smooth & Precise Shifting – Double Servo technology ensures seamless gear changes
🔧 Wide Compatibility – Works with both 7-speed and 8-speed Shimano mountain bike drivetrains
🏞️ Reliable for Off-Road Riding – Durable construction for tackling rough and uneven terrain

Whether you're commuting, bikepacking, or hitting the trails, the Shimano Acera RD-M3020 delivers dependable shifting performance with minimal interruptions for a smooth and enjoyable ride.