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Shimano Grx Rear Bicycle Derailleurs Long SGS 12 Gears
Bicycle Derailleurs

Shimano Grx Rear Bicycle Derailleurs Long SGS 12 Gears

The Shimano DD204851 is a rear bicycle derailleur that offers excellent performance and reliability. It is designed to ensure smooth gear shifts, enhancing the riding experience. Its construction...

The Shimano DD204851 is a rear bicycle derailleur that offers excellent performance and reliability. It is designed to ensure smooth gear shifts, enhancing the riding experience. Its construction combines durability and lightweight design, making it ideal for everyday use and competitive conditions.

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  • Bicycle Mountain

  • 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.

    Standard

    The most common type for Rear Derailleurs. It screws onto the classic "hanger".

  • 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.
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Description

Description

The Shimano DD204851 is a rear bicycle derailleur that offers excellent performance and reliability. It is designed to ensure smooth gear shifts, enhancing the riding experience. Its construction combines durability and lightweight design, making it ideal for everyday use and competitive conditions.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Placement
Rear
Usage
Mountain

Technical Specifications

Number of Gears
12

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
Standard

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.

Standard

The most common type for Rear Derailleurs. It screws onto the classic "hanger".

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

Description & Specifications

The Shimano DD204851 is a rear bicycle derailleur that offers excellent performance and reliability. It is designed to ensure smooth gear shifts, enhancing the riding experience. Its construction combines durability and lightweight design, making it ideal for everyday use and competitive conditions.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Placement
Rear
Usage
Mountain

Technical Specifications

Number of Gears
12

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
Standard

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.

Standard

The most common type for Rear Derailleurs. It screws onto the classic "hanger".

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.

67,90 €
14,00 €   shipping cost