SHIMANO,ERDM5120SGS Deore Deore M5120 rear derailleur, 10/11-speed, Shadow+, SGS long cage, Black
Shimano Deore M5120 Shadow Rd+ Direct Rear Derailleur 11s Black
Overall Rating: 4.1 / 5 (average from multiple review sources, as of 18 Sept 2026)
Based on a total of 45,427 customer reviews from independent review platforms.
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Based on a total of 45,427 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.
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Notice:
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£29.99
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SHIMANO,ERDM5120SGS Deore Deore M5120 rear derailleur, 10/11-speed, Shadow+, SGS long cage, Black
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 18 Sept 2026)
Based on a total of 48,234 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.
Based on a total of 48,234 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.
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£30.49
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Shimano Deore M5120 10/11 Speed Shadow+ Rear Mech
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Sept 2026)
Based on a total of 23,888 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.
Based on a total of 23,888 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 3 - 4 working days of receiving cleared payment.
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£32.50
Delivery from £2.99
Shimano Deore M5120 10/11-speed Shadow design+ Rear Derailleur
Overall Rating: 4.5 / 5 (average from multiple review sources, as of 19 Sept 2026)
Based on a total of 97,009 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.
Based on a total of 97,009 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.
2 to 3 days
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£32.99
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Shimano Deore Deore M5120 rear derailleur, 10/11-speed, SGS long cage
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Sept 2026)
Based on a total of 23,888 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.
Based on a total of 23,888 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 3 - 4 working days of receiving cleared payment.
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£33.59
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Shimano Deore M5120 Rear Derailleur BLACK
Overall Rating: 4.9 / 5 (average from multiple review sources, as of 18 Sept 2026)
Based on a total of 11,423 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.
Based on a total of 11,423 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.
2-4 working days
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£49.99
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Shimano Deore M5120 MTB 10/11 Speed Rear Mech
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Sept 2026)
Based on a total of 23,888 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.
Based on a total of 23,888 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 5 - 12 working days of receiving cleared payment.
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£54.62
GBP 54.62 / Unit
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Shimano RD-M5120 Deore rear derailleur, 10/11-speed, Shadow+ SGS long cage
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Sept 2026)
Based on a total of 23,888 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.
Based on a total of 23,888 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 5 - 11 working days of receiving cleared payment.
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£55.37
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Shimano 10/11-Speed Rear Derailleur M5120 Deore Shadow SGS Long Cage
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Sept 2026)
Based on a total of 23,888 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.
Based on a total of 23,888 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 2 working days of receiving cleared payment.
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£59.29
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Cheapest offer
Shimano Deore M5120 Shadow Rd+ Direct Rear Derailleur. Upgrade your MTB with the SHIMANO Deore M5120 Shadow RD+ rear derailleur. Experience stable, precise shifting thanks to SHADOW RD+ chain stabilization technology, minimizing slap and ensuring chain security. Its low-profile design protects from trail impacts, while direct mount enhances shifting accuracy. The long cage handles wide-range 10/11-speed cassettes (up to 42T/46T), offering smooth, responsive gear changes for any terrain. Conquer trails with confidence and reliable performance. This Deore derailleur offers exceptional value, with performance that rivals more expensive XT or XTR models. It provides very smooth, quiet, and precise shifting. A key feature is the reliable clutch, which prevents the chain from dropping on rough terrain. Customers praise the high-quality construction and find it easy to install. It is a popular upgrade for gravel bikes and single chainring setups using wide-range cassettes like an 11-42t. SHIM
£29.99
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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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