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Shimano RD-M3020 Rear Bicycle Derailleurs Long (SGS) 6 / 7 / 8 Gears
Bicycle Derailleurs

Shimano RD-M3020 Rear Bicycle Derailleurs Long (SGS) 6 / 7 / 8 Gears Code: ERDM30208SGSL

Rear Derailleur Shimano Acera RD-M3020-SGS (7/8 speed).

Main features:

  • Double Servo construction for smooth and precise gear shifting.
  • Flexible performance and wide compatibility.
  • Max. low gear: 40T....

Rear Derailleur Shimano Acera RD-M3020-SGS (7/8 speed).

Main features:

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

Product:

  • MODEL NO: RD-M3020-8.
  • SERIES: ACERA M3020 Series.
  • Color: Black.
  • Rear speeds: 8/7.
  • Compatible chain: HG 8/7/6 speed.
  • Spring...
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  • Bicycle Trekking, City

  • Speeds

    Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.

  • Mount

    To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

    Direct Mount

    For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

  • Cage Length

    The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

    Long (SGS)

    Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
  • See all
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Product report

Description

Description

Rear Derailleur Shimano Acera RD-M3020-SGS (7/8 speed).

Main features:

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

Product:

  • MODEL NO: RD-M3020-8.
  • SERIES: ACERA M3020 Series.
  • Color: Black.
  • Rear speeds: 8/7.
  • Compatible chain: HG 8/7/6 speed.
  • Spring type: Top-normal|Double servo.
  • Mount: Direct attachment (traditional).
  • Cable adjuster.
  • Max. front gear difference: 20T.
  • Multiple capacity: 45T.
  • Small gear: Max. 40T, Min. 30T.
  • Large gear: Max. 12T, Min. 11T.
  • Phosphoric coating on bushings.
  • Multiple: 11T teeth.
  • Multiple: Recessed type screw.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
ERDM30208SGSL

Product Details

Placement
Rear
Usage
Trekking, City

Technical Specifications

Number of Gears
6, 7, 8

Number of Gears

Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.
Cage Length
Long (SGS)

Cage Length

The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

Long (SGS)
Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
Mount Type
Direct Mount

Mount Type

To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

Direct Mount

For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications
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Questions

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Description & Specifications

Rear Derailleur Shimano Acera RD-M3020-SGS (7/8 speed).

Main features:

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

Product:

  • MODEL NO: RD-M3020-8.
  • SERIES: ACERA M3020 Series.
  • Color: Black.
  • Rear speeds: 8/7.
  • Compatible chain: HG 8/7/6 speed.
  • Spring type: Top-normal|Double servo.
  • Mount: Direct attachment (traditional).
  • Cable adjuster.
  • Max. front gear difference: 20T.
  • Multiple capacity: 45T.
  • Small gear: Max. 40T, Min. 30T.
  • Large gear: Max. 12T, Min. 11T.
  • Phosphoric coating on bushings.
  • Multiple: 11T teeth.
  • Multiple: Recessed type screw.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
ERDM30208SGSL

Product Details

Placement
Rear
Usage
Trekking, City

Technical Specifications

Number of Gears
6, 7, 8

Number of Gears

Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.
Cage Length
Long (SGS)

Cage Length

The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

Long (SGS)
Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
Mount Type
Direct Mount

Mount Type

To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

Direct Mount

For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

24,40 €
5,00 €   shipping cost