SHIMANO Deore RD-M5120 Rear Derailleur SGS, 10/11 Speed

Shimano Deore RD-M5120 Rear Derailleur - 10-11 Speed

SHIMANO Deore RD-M5120 Rear Derailleur SGS, 10/11 Speed

Overall Rating: 2.4 / 5 (average from multiple review sources, as of 25 Dec 2025)
Based on a total of 45,785 customer reviews from independent review platforms.

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Cheapest Total Price
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£35.69
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Shimano Deore RD-M5120 Rear Derailleur - 10-11 Speed

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Dec 2025)
Based on a total of 21,561 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 9 - 23 working days of receiving cleared payment.
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£48.49
Delivery from £28.34

Shimano Deore RD-M5120-SGS Shadow RD+ 10S/11S Rear Derailleur Super Long Cage

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Dec 2025)
Based on a total of 21,561 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 18 - 34 working days of receiving cleared payment.
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£49.99
Delivery from £3.60

Shimano Deore Rear Derailleur 10/11 Speed SGS RD-M5120 Deore (Double)

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Dec 2025)
Based on a total of 21,561 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 24 - 40 working days of receiving cleared payment.
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£56.00
Delivery from £17.23

SHIMANO Deore RD-M5120 Rear Derailleur SGS 10/11 Speed

Overall Rating: 4.4 / 5 (average from multiple review sources, as of 9 Dec 2025)
Based on a total of 115,809 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
10-15 days
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£65.33
Free Delivery

SHIMANO Deore RD-M5120 Rear Derailleur SGS, 10/11 Speed

Usually dispatched within 4 to 5 days
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£85.99
Delivery from £7.25

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Product information

At a glance

  • Enhanced gear transitions for improved cycling performance
  • Durable design withstands rugged terrain challenges
  • Simple installation for quick bike upgrades

Note: This text was created with the help of AI.

Experience the Thrill of Precision with Shimano Deore RD-M5120

The Shimano Deore RD-M5120 is an exceptional choice for mountain biking enthusiasts and casual riders alike. If you’re looking to enhance your cycling experience with reliable and smooth gear shifting, this component is perfect for you. Its compatibility with both 10 and 11-speed systems makes it a versatile option, allowing you to enjoy seamless transitions on varied terrains. Whether you’re gearing up for a weekend adventure or just rolling around town, the Bike Gears will elevate your performance.

Unmatched Advantages and Functionality

This rear derailleur is engineered with precision and durability in mind, offering a host of benefits that are sure to impress. With its high-quality construction, the RD-M5120 guarantees smooth and reliable shifting under pressure. The unique design features a shadow mechanism that reduces the chance of damage from obstacles, making it ideal for rugged trails. Key features include:

  • Shadow RD+ technology for improved chain stability
  • Wide compatibility with various Shimano drive systems
  • Efficient gear shifting that enhances overall riding performance

A Design That Stands Out

The Shimano Deore RD-M5120 isn’t just about performance; it also boasts a sleek and modern design that complements any bike setup. Its compact profile keeps your bike looking sharp while ensuring it’s lightweight enough for all-day rides. The rugged finish not only looks great but also offers durability against the elements, giving you confidence to tackle any adventure. With its refined aesthetics, this derailleur is a fantastic addition to your biking gear.

Easy Installation for Instant Upgrades

Installation of the RD-M5120 is a breeze, making it an accessible upgrade for bike enthusiasts of all skill levels. You don’t need to be a mechanic to experience the benefits of this top-tier rear derailleur. With its user-friendly setup, you can easily enhance your bike’s performance in no time. So gear up and enjoy the ride, knowing that the Shimano Deore RD-M5120 has got your back with every shift!

Note: This text was created with the help of AI.

Pros and cons

Pros

  • Reliable and smooth shifting
  • Compatible with 10 and 11-speed
  • Durable shadow mechanism design
  • Easy installation for all riders

Cons

  • May not suit all riding styles
  • Best performance with Shimano systems

Note: This text was created with the help of AI.

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SHIMANO Deore RD-M5120 Rear Derailleur SGS, 10/11 Speed

Cheapest offer

Material: aluminum Capacity: 41t Cassette Range: [2 x 11/10] 42t, [1 x 10] 46t Gearing: [long] 2 x 11, 2 x 10, 1 x 10 Compatibility: HG-X11 11-speed, HG-X 10-speed
£35.69
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk

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