Top rated Rear derailleurs
Here you’ll find the top-rated Rear derailleurs. The ranking is based on an algorithm that considers both the average star rating and the total number of customer reviews. This means a product with many strong ratings may rank above another product with a slightly higher average score but significantly fewer reviews. For each product, we also include a short description and the key points from customer feedback to help you make a confident choice. This page always stays fresh and updates automatically.
1. Shimano Tourney RD-TY300
The Shimano Tourney RD-TY300 derailleur is a reliable and precise solution for trekking bikes, suitable for both 6-speed and 7-speed systems. With a medium-length cage and a maximum sprocket size of 34 teeth, this derailleur offers a wide range of performance, allowing for efficient use of different gear ratios. The design features a slant pantograph that ensures accurate shifting, while the 13/13 tooth shift rollers optimize the shifting process. Installation is quick and precise, making it easy for users to set up. The derailleur is also compatible with the MEGARANGE system, providing additional flexibility in gear selection. Weighing in at 396 grams, it is lightweight yet robust enough for trekking use.
- Compatible with 6-speed and 7-speed systems
- Maximum sprocket size of 34 teeth
- Quick and precise installation
- Slant pantograph for reliable shifting function
- Compatible with MEGARANGE system.
2. Shimano Tourney RD-TY300 rear derailleur 6/7-speed direct mount
This durable derailleur from Shimano controls the movement of the bicycle chain on the rear sprockets of the cassette. High reliability characterizes this gear mechanism: with the Tourney, you can ride your bike safely and quickly. Designed for easy direct mounting.
3. Shimano Deore XT RD-M8100
The Deore XT M8000 derailleur was already known for its smooth gear shifts and quiet chain operation. With the M8100, these features have been further improved, allowing for even faster shifting. To accommodate the extreme range of cassettes with 10-51 teeth, the derailleur has been completely redesigned. The indexing rollers are positioned to keep the chain at an optimal distance from the cassette in all gears. Their size has also increased to 13 teeth. This not only provides better chain guidance but also ensures a quieter and more efficient operation. Additionally, the Shadow+ system prevents annoying chain slap on uneven terrain. To achieve the best performance, Shimano recommends using this derailleur exclusively with 1x 12-speed drivetrains.
4. Sram GX Eagle Lunar
Derailleurs are supposed to do their job, whether climbing under load or during the final meters of a race stage. The GX Eagle derailleur reliably fulfills this task. An improved architecture ensures even better chain management. It has been designed to work seamlessly with the new 10-52 tooth cassettes while remaining fully backward compatible with 10-50. We leave the choice to the rider, as it should be. Part of the Eagle color system, it matches any chain and cassette color you choose. The GX Eagle derailleur simply always does its job.
5. Shimano Deore XT RD-M8000
With the latest and completely revamped version of the Deore XT group, the Japanese manufacturer elevates your shifting performance to a new level. The new XT group convincingly meets the diverse demands of cross-country bikers, trail bike enthusiasts, and enduro racers alike, presenting itself as the most versatile high-performance shifting group from Japan. The Deore XT RD-M8000 rear derailleur features optimized Shadow+ technology with a flat angle and an extremely low profile, keeping sensitive components out of harm's way. The shifting performance has been enhanced with newly designed jockey wheels and optimized for cross-chaining. Additionally, you have the option to adjust the mechanism for minimal actuation force or maximum stability. The Deore XT derailleur allows for precise and lightning-fast gear changes exactly when you need them, securely guiding the chain even on the roughest trails. Enduro fans can also forgo an additional chain guide, as the Shimano Clutch System keeps the chain under high tension. The new Deore XT derailleur is suitable for both regular 2x use and for bikers who prefer to ride with just one front chainring and 11 cogs at the rear.
Application area: MTB. Mounting type: Frame mount. Number of gears: 11-speed. Material type: Aluminum. Recommended chain: HG-X 11-speed. Derailleur cage design: medium-long. Design 2: long. Derailleur capacity: normal. Min. largest cog: 40 teeth. Max. smallest cog: 11 teeth. Min. smallest cog: 11 teeth. Total capacity: 39 teeth. Max. difference front: 10 teeth. Max. largest cog: 2x11: 42 / 1x11: 46 teeth. Derailleur capacity: long. Max. smallest cog: 11 teeth. Min. smallest cog: 11 teeth. Max. largest cog: 2x11: 42 / 1x11: 46 teeth. Total capacity: 47 teeth. Max. difference front: 18 teeth. Min. largest cog: 40 teeth.
6. Shimano Ultegra Rd-R8000 GS
The long cage Shimano Ultegra Shadow RD-8000 derailleur is an essential component for cycling enthusiasts seeking optimal performance. This model is designed to provide exceptional shifting accuracy, enabling a smooth and responsive riding experience.
The technical features of this derailleur include:
- Compatibility with 11-speed groups: Ensures harmonious operation with modern drivetrain systems.
- Shadow design: Its compact design reduces visibility at the back of the bike and improves aerodynamics.
- Frictionless shifting: Thanks to high-quality bearings, shifting is quick and precise, even under pressure.
- Optimized weight: Its lightweight construction reduces the overall weight of the bike without compromising durability.
The Shimano Ultegra Shadow RD-8000 derailleur is perfect for cyclists aiming for excellence in competition or simply enjoying a ride on the road. Its reliability and superior performance make this derailleur an indispensable choice to enhance your cycling experience.
Don't let gear changes become an obstacle. Choose a derailleur that meets the highest demands for performance and technology, and take your cycling adventures to a new level.
7. Shimano Tourney TX RD-TX800
Shimano Tourney-TXThe Tourney TX is a basic component group for sporty bikes and riders in the entry level segment. Ride your sports bike with ease, feel free, enjoy the distance to everyday life and enjoy trouble-free and durable function. - Compatibility: 7-speed - Mounting type: frame mounting - Recommended chain: HG 6/7/8-speed - Details: - Durable shifting performance with easy operation for stress-free riding pleasure - Quick mounting - 13/13Z roller - Type: rear derailleur - Material specifications: Aluminium - Application: MTB rear derailleur cage - Type: long Rear derailleur capacity long - Max. smallest sprocket: 14 teeth - Min. smallest sprocket: 11 teeth - Max. largest sprocket: 34 teeth - Total capacity: 43 teeth - Max. difference front: 20 teeth - Min. largest sprocket: 28 teeth.
8. Shimano SLX RD-M7100
The SLX derailleurs of the M7100 series offer excellent shifting performance with less tension in the lower gears and a damper on the cage. The larger 13Z guide rollers provide greater efficiency and better chain management, while compatibility with Shimano's new 12-speed cassette range significantly increases the gear range. The largest sprocket has 51 teeth, and the smallest sprocket has 10 teeth, with a total capacity of 41 teeth.
9. Shimano Altus RD-M310
Shimano Altus offers a variety of high-quality technical features, including stable 9-speed drives, V-brake and disc brake systems, and easy-to-use gear levers with Rapidfire Plus technology, ensuring reliable performance for recreational riding.
Details:
- Wide-link design for higher rigidity and precise shifting
- Mega Pulley pulleys reduce noise and wear
- Smartcage cage
- Recommended chain: HG 6/7/8-speed
- Total capacity: 43 teeth
- Maximum front difference: 20 teeth
- Maximum largest sprocket: 34 teeth
- Minimum largest sprocket: 28 teeth
- Maximum smallest sprocket: 14 teeth
- Minimum smallest sprocket: 11 teeth
- Type: rear derailleur
- Application: trekking
- Compatibility: 7-speed
- Mounting: frame mounting rear derailleur cage
- Type: short.
10. Shimano Xt Rd-m786
A switch on the cage regulates the spring tension to prevent the chain from jumping. Sudden movements of the chain often lead to significant noise when the chain strikes the chainstay from above or below, or under extreme conditions, even causes it to jump off the front chainring. In the ON position, the switch dampens the movement of the derailleur cage, resulting in reduced chain movement for a quieter and more stable riding experience. With the switch in the OFF position, the derailleur makes it easier to install and remove the rear wheel by relaxing the derailleur spring. The narrow profile of the derailleur significantly reduces the risk of damage on narrow and challenging trails. Additionally, the Shadow derailleur has greater vertical stability, preventing it from striking the chainstay. The derailleur is always precisely positioned and operates perfectly. The derailleur pulleys with sealed bearings run quieter and last longer due to their alternating contact with inner and outer chain links.
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