Shimano Acera RD-M3020 SGS Rear MTB Derailleur 8 Speed Black - Urbane Cyclist
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C$57.00
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Rear MTB Derailleur Shimano Acera RD-M3020 SGS Long Cage 8-Speed Black (Min: 30T Max: 40T Capacity: 45T)

Rear MTB Derailleur Shimano Acera RD-M3020 SGS Long Cage 8-Speed Black (Min: 30T Max: 40T Capacity: 45T)
C$57.00 Excl. tax
In stock (4)
EAN Code:
192790897738
SKU:
ERDM30208SGSL

A cost effective 8-speed rear derailleur with Double Servo rear design for smooth, precise shifting performance and wide-range capability. Read more..

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 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 bolt

Exploded View (link to Shimano)

Installation Instructions (link to Shimano)

Rear MTB Derailleur Shimano Acera RD-M3020 SGS Long Cage 8-Speed Black (Min: 30T Max: 40T Capacity: 45T)

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Open 10 - 6 Mon - Fri & 11 - 6 Sat
Toronto's Best Bike Repair
Worker-Owned Since 1997
Bikes from Surly, Marin, Salsa & more