The ACERA RD-M3020 7/8-speed rear derailleur provides smooth and precise shifting performance and a wide-range capability. Double Servo technology helps you ride challenging terrain with fewer interruptions.


FEATURES

- Double Servo construction for smooth and precise shifting
- Versatile performance and wide compatibility
- Quick assembly
- Allen key type inner cable fixing bolt
- Max. large sprocket: 40T
- Total capacity: 45T

SPECIFICATIONS

Use: MTB, Trekking
Group: ACERA M3000
Model: RD-M3020-8
Mount Type: Direct Mount
Technology: Top Normal
Gear: 7/8-speed
Compatible Chain: HG 7/8-speed
Max. teeth large sprocket: 40T
Min. teeth large sprocket: 30T
Max. teeth small sprocket: 12T
Min. teeth small sprocket: 11T
Max. Front Difference: 20T
Total Capacity: 45T
Pulley cage: type-SGS long
Material: Aluminium, steel

Please note, this is not suitable for 11-28T