Shimano Rear Derailleur Acera MAX 40T 7/8SPD RD-M3020

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.

FEATURES
Double Servo construction for smooth and precise shifting
Versatile performance and wide compatibility
Max. low sprocket: 40T
Total capacity: 45T

PRODUCT SPECIFICATIONS
MODEL NO RD-M3020-8
SERIES ACERA M3000 Series
Color Black
Compatible chain HG 8/7/6-speed
Total capacity 45T
Cable adjuster ✔
Mount Direct attachment (Conventional) ✔
Fluoric coated link bushings 1
Low sprocket Max. 40T
Low sprocket Min. 30T
Max. front difference 20T
Pulley Sunken type pulley bolt ✔
Pulley Teeth 11T
Pulley cage SGS
Top-Normal spring type Double servo ✔
Top sprocket Max. 12T
Top sprocket Min. 11T
Rear speeds 8/7