Shimano Rear Derailleur Acera 7/8SPD

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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.

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

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

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

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