Rear Derailleurs of 2025
Best Choice1
Clicked 3 times in the last monthSHIMANO21% OffSHIMANO Deore RD-M5120 Rear Derailleur SGS, 10/11 Speed
Main highlights- Material: aluminum
- Gearing: [long] 2 x 11, 2 x 10, 1 x 10
- Compatibility: HG-X11 11-speed, HG-X 10-speed
- Cassette Range: [2 x 11/10] 42t, [1 x 10] 46t
- Capacity: 41t
9.8Exceptional
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Value for Money2
RelwearsRelwears Bike Rear Derailleur RD-M3020-SGS 8 Speed Derailleur Direct Mount for Mountain Bike
Main highlights- Versatile Compatibility Across Multiple Bike Models: RD-M3020 8 speed derailleur is compatible with 7/8-speed systems, it suits various types of bicycles including mountain bikes, road bikes, and folding bikes, catering to diverse riding scenarios
- Tailored for Cycling Enthusiasts: Designed for leisure riders who demand exceptional bike performance and technical mountain biking enthusiasts, offering them a dependable rear derailleur solution
- SGS Long Cage Design: Engineered with precision, the SGS long cage design provides enhanced stability in chain tension, significantly reducing the risk of chain skipping. Equipped with a dual servo mechanism, it ensures faster and smoother shifting, enhancing the overall riding experience
- Premium-grade Professional Rear Derailleur: The RD-M3020-SGS 8 Speed rear derailleur is meticulously crafted with high-quality materials, ensuring reliable stability for a long-lasting and stable riding experience
- Easy Installation for Instant Riding Enjoyment: Featuring straightforward direct installation, it simplifies the process and eliminates unnecessary steps. Prior to purchase, ensure correct installation to elevate your bike's performance effortlessly
9.5Excellent
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3
InkeskyInkesky RD-TZ31-GS 6/7 Speed Rear Derailleur with Direct Mount, Medium Cage, for Mountain Bike
8.4 Easy installation8.2 worth the money8.0 lasts a long time9.3Excellent
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4
HuazuHuazu Rear Derailleur for RD-TZ31-A, Bike Parts Gear Shifter with Direct Mount/Hanger Mount for 6/7 Speed Mountain Bicycles
Why we love it
Durable construction ensures long-lasting performance.
Compatible with various bike types and speeds.
Easy installation with direct mount design.
9.2Excellent
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5
SHIMANOShimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
9.9 Precision9.7 Easy installation9.5 worth the moneyWhy we love it
Affordable price compared to professional bike shop services.
Easy DIY installation with basic tools.
Smooth and reliable shifting performance.
9.0Excellent
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6
SHIMANOShimano Tourney RD-TY300-SGS 6/7-Speed Mountain Bicycle Rear Derailleur , Black, One Size
Main highlights- Shimano TX35 6 / 7-speed rear derailleur (bracket attachment)
- SIS rear index shifting
- SGS cage can handle wide range gearing and 34 tooth sprockets
- 13 tooth pulleys offer long service life and less noise
8.9Very Good
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7
SHIMANOShimano Tourney TY500 6/7-Speed Rear Derailleur
9.3 worth the money8.7 Easy installation8.2 lasts a long timeWhy we love it
Compatible with all Shimano 6 and 7 speed shifters.
Durable SGS cage handles wide range gearing.
Long-lasting, quiet 13 tooth pulleys.
8.8Very Good
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8
SHIMANOShimano Rear Derailleur, RD-TX800, 7/8 SPD, Direct Attach, Bla
Main highlights- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage
- Largest Cog: 34
- Drivetrain Speeds: 8
- Chain Wrap Capacity: 43
- Cage Length: Long
8.7Very Good
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9
SHIMANO19% OffShimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black
Main highlights- Versatile performance and wide compatibility
- SGS Long cage
- Drivetrain Speeds: 7,8
- Double Servo mechanism enables the rear derailleur to move in an optimum path
- Chain Wrap Capacity (teeth): 45
8.6Very Good
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10
RelwearsRelwears Altus RD-M310 Rear Derailleur 7/8 Speed Bike Rear Derailleur Direct Mount for Mountain Bike Road Bike Most Models
Main highlights- 【Versatile Application】 Fits various bike types including mountain, road, racing, city, and folding bikes, adding versatility to your cycling experience
- 【Strong Adaptability】RD-M310 7/8 speed derailleur with a maximum rear sprocket of 34T and total capacity of 43T, it adapts to various riding needs, ensuring easy handling on different terrains
- 【Lightweight Design】 Designed to be lightweight, reducing bike weight, enhancing speed and maneuverability, ideal for leisure cyclists and urban riders who demand reliable performance. Suitable for those with certain performance requirements for their bikes
- 【Engineered for Multi-Speed Bikes】 The RD-M310 7/8 speed bike rear derailleur, featuring high-performance RD-CT95 Altus technology, compatible with 7/8 speeds, delivers a smooth riding experience, perfect for your biking adventures. Offers superior performance and reliability, suitable for everyday and light mountain biking
- 【Easy Installation】 Direct installation onto the bike's rear, avoiding the hassle of rack mounting. Make sure to choose the correct installation method before purchase 7/8 speed derailleur
8.5Good
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