Double Servo rear derailleur with smooth, precise shifting performance and wide-range capability.
The SHIMANO ACERA M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
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Double Servo rear derailleur with smooth, precise shifting performance and wide-range capability.
The SHIMANO ACERA M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
PRODUCT SPECIFICATIONS
MODEL NO: RD-M3020-8
SERIES ACERA: M3020 Series
Color: Black
Rear speeds: 8/7
Compatible chain: HG 8/7/6-speed
Top-normal spring type: |Double servo ✔
Mount|Direct attachment: (conventional) ✔
Cable adjuster: ✔
Max. front difference: 20T
Total capacity: 45T
Low sprocket: |Max. 40T
Low sprocket: |Min. 30T
Top sprocket: |Max. 12T
Top sprocket: |Min. 11T
Fluoric coated link bushings: 1
Pulley|Teeth: 11T
Pulley|Sunken type pulley screw: ✔
