20 Best Rear Derailleurs [2024]

Are you looking for the best rear derailleurs? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling rear derailleurs.

We Recommended:

# Preview Product
1 Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger
2 Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
3 SHIMANO RD 5701 105 30T Max Rear Derailleur, Black, Medium Cage SHIMANO RD 5701 105 30T Max Rear Derailleur, Black, Medium Cage
4 Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black
5 SHIMANO Tourney 7/8-Speed Mountain Bicycle Rear Derailleur - RD-TX800-L (Black) SHIMANO Tourney 7/8-Speed Mountain Bicycle Rear Derailleur - RD-TX800-L (Black)
6 INKESKY Shimano Rear Derailleur RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for Mountain Bike INKESKY Shimano Rear Derailleur RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for Mountain Bike
7 MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black
8 Shimano Ultegra RD-R8000-GS Rear Derailleur - 11 Speed, Medium Cage, Black Shimano Ultegra RD-R8000-GS Rear Derailleur - 11 Speed, Medium Cage, Black
9 SRAM X.4 Rear Derailleur (Black, Long Cage) SRAM X.4 Rear Derailleur (Black, Long Cage)
10 Shimano Deore SGS RD-M592 Rear Derailleur (9-Speed, Long Cage, Black) Shimano Deore SGS RD-M592 Rear Derailleur (9-Speed, Long Cage, Black)
11 SHIMANO Tourney TY300 6/7-Speed Rear Derailleur Direct-Attach SHIMANO Tourney TY300 6/7-Speed Rear Derailleur Direct-Attach
12 ZUKKA Bike Rear Derailleur-RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for MTB... ZUKKA Bike Rear Derailleur-RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for MTB...
13 Inkesky RD-TZ31-GS 6/7 Speed Rear Derailleur with Direct Mount, Medium Cage, for Mountain Bike Inkesky RD-TZ31-GS 6/7 Speed Rear Derailleur with Direct Mount, Medium Cage, for Mountain Bike
14 SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette) SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)
15 Yosoo Health Gear Derailleur Hanger, Aluminium Alloy Mountain Bike Rear Derailleur Hanger Derailleur... Yosoo Health Gear Derailleur Hanger, Aluminium Alloy Mountain Bike Rear Derailleur Hanger...
16 SHIMANO Deore 12 RD-M6100 Rear Derailleur SGS, 12 Speed SHIMANO Deore 12 RD-M6100 Rear Derailleur SGS, 12 Speed
17 microSHIFT MTB Mezzo Rear Derailleur RD-R45L (Long Cage) 8 / 9 Speed Bicycle Derailleur microSHIFT MTB Mezzo Rear Derailleur RD-R45L (Long Cage) 8 / 9 Speed Bicycle Derailleur
18 Shimano 105 RD-5701-SS Short Cage Rear Derailleur Shimano 105 RD-5701-SS Short Cage Rear Derailleur
19 Vbes tlife Bicycle Derailleur Hanger Extender, Bicycle Rear Derailleur Hanger Extension Bike Frame... Vbes tlife Bicycle Derailleur Hanger Extender, Bicycle Rear Derailleur Hanger Extension Bike...
20 Deore XT Rear Derailleur, 11-Speed, Black Deore XT Rear Derailleur, 11-Speed, Black
SaleBestseller No. 1
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger
  • Includes frame hanger
  • Largest Cog: 34
  • Chain Wrap Capacity: 43
  • Cage Length: Long
  • keyword search: Replaces rd8162
SaleBestseller No. 2
Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
  • Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional)
  • Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 8, Largest Cog: 34teeth
  • Shifter/Rear Derailleur : Shimano, Speeds: 8sp, Weight: 326g
SaleBestseller No. 3
SHIMANO RD 5701 105 30T Max Rear Derailleur, Black, Medium Cage
  • Capable of handling up to a 30t maximum cassette size
  • Extra stiff for crisp, durable shifting
  • Sealed bearing tension pulley
  • Compatible with 10 speed Shimano drivetrains
  • Shimano Reference Number: RD 5700A
Bestseller No. 4
Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black
  • Shimano Acera M360 7
  • 8-Speed Rear Derailleur with SmartCage, Black
SaleBestseller No. 5
SHIMANO Tourney 7/8-Speed Mountain Bicycle Rear Derailleur - RD-TX800-L (Black)
  • Rear Derailleur (3x8-speed)
  • 8-speed drive train
  • Durable light action shifting peformance for stress free riding. Double Servo-panta Mechanism
  • Quick assembly. Allen key type inner cable fixing bolt
  • Total capacity 43T
Bestseller No. 7
MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black
  • Model:RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions, we will provide quality service.
SaleBestseller No. 8
Shimano Ultegra RD-R8000-GS Rear Derailleur - 11 Speed, Medium Cage, Black
  • Material: alloy
  • Capacity: [short] 35t, [long] 39t
  • Cassette Range: [short] 11-30 t, [long] 11-34 t
  • Gearing: double
  • Compatibility: Shimano Ultegra R8000, Shimano Dura-Ace R9100
Bestseller No. 9
SRAM X.4 Rear Derailleur (Black, Long Cage)
  • Cage Lengths: SGS-long, Capacity: 45T, Derailleur Action: Top-Normal (Traditional)
  • Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 9, Largest Cog: 34teeth, Min/Max: 11/34T
  • Shifter/Rear Derailleur : SRAM 1:1, Speeds: 7/8sp, Speeds: 8sp, Speeds: 9sp, Weight: 310g
Bestseller No. 10
Shimano Deore SGS RD-M592 Rear Derailleur (9-Speed, Long Cage, Black)
  • Precise chain movement changes gears smoothly
  • Direct Mount
  • Light shift effort
Bestseller No. 11
SHIMANO Tourney TY300 6/7-Speed Rear Derailleur Direct-Attach
  • Long cage design accommodates up to 34T cassette
  • SIS indexing for smooth reliable performance
  • 6/7-speed compatible
Bestseller No. 12
ZUKKA Bike Rear Derailleur-RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for MTB...
  • MODEL:RD-TZ31-A bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains.
  • IMPORTANT : The hub bolt mount (hanger mount) rear derailleur for mountain bike, not direct mount.
  • EXCELLENT PERFORMANCE:Accurate gears provide light and stable shift performance,and making riding easy and comfortable.
  • MATERIAL:Made of high-quality steel materials,durable and long service life.Easy to install and disassemble.
  • APPLICATION: Suitable for MTB mountain bike ,road bikes ,variable speed bicycle,folding and city bikes.It is your indispensable bicycle accessories...
Bestseller No. 13
Inkesky RD-TZ31-GS 6/7 Speed Rear Derailleur with Direct Mount, Medium Cage, for Mountain Bike
  • 【Model】 Shimano Tourney (SIS) RD-TZ31-GS 6/7 speed,medium-cage , direct mount.No retail packaging. Items as shown
  • 【Specifications】 Total capacity(aka chain capacity) 34T, Largest sprocket 28T , Smallest sprocket 14T, Front chainwheel tooth difference 20T.
  • 【Compatibility】 Compatible with 6 and 7-speed SIS Index Shifting drivetrains, for mountain bike.
  • 【Incompatibility】 1) Not compatible with hub bolt mount (bracket mount) frame 2)If the total capacity of your bike exceeds 34T, this RD-TZ31 is...
  • 【Tools Required】 5mm allen wrench
SaleBestseller No. 14
SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)
  • Shadow Plus technology keeps the low profile shape reducing chainstay and other contact, and adds a chain tensioning device reducing noise and dropped...
  • Compatible with Dyna-Sys 10 speed Shimano products
  • Aluminum construction with sealed bearing pulleys
  • 4 fluoric coated link pivot bushings for smooth operation
  • Shimano Reference Number: RD-M640
Bestseller No. 15
Yosoo Health Gear Derailleur Hanger, Aluminium Alloy Mountain Bike Rear Derailleur Hanger Derailleur...
  • [Bike Rear Derailleur Hanger]: Well protecting your bike from being damaged in case of falling down with this derailleur hanger, it will absorb the...
  • [Durable Aluminium Alloy]: Made of high quality aluminium alloy, the rear derailleur hanger has good texture, smooth surface, practical durable for...
  • [Fitment]: Fits to most types of bikes, can be replaced, reduce the maintenance cost of frame, a great replacement for your bike to enjoy the fun of...
  • [Easy to Install]: Comes with screws, the derailleur hanger is easy to install and remove; Before installing a derailleur hanger, the rear dropouts...
  • [4 Versions]: With 4 different version for you to choose, although the bike derailleur hanger of different versions are very similar, they are not...
Bestseller No. 16
SHIMANO Deore 12 RD-M6100 Rear Derailleur SGS, 12 Speed
  • Features the Shadow RD+ chain stabilizer system to minimize chain slap Fast and precise shifting 13T pulley For single front chainring setup 51T max...
SaleBestseller No. 18
Shimano 105 RD-5701-SS Short Cage Rear Derailleur
  • Capable of handling up to a 30t maximum cassette size
  • Extra stiff for crisp, durable shifting
  • Sealed bearing tension pulley
  • Compatible with 10 speed Shimano drivetrains
  • Shimano Reference Number: RD 5700A
Bestseller No. 19
Vbes tlife Bicycle Derailleur Hanger Extender, Bicycle Rear Derailleur Hanger Extension Bike Frame...
  • [7075 Aluminum Alloy]The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration...
  • [7075 Aluminum Alloy]The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration...
  • [7075 Aluminum Alloy]The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration...
  • [7075 Aluminum Alloy]The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration...
  • [7075 Aluminum Alloy]The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration...
SaleBestseller No. 20
Deore XT Rear Derailleur, 11-Speed, Black
  • Rear derailleur that ensures precise, easy gear shifting.
  • Integrated chain stabilizer s accurate shifting in a variety of conditions.
  • 11-speed range.

Having trouble finding a great rear derailleurs?

This problem is well understood by us because we have gone through the entire rear derailleurs research process ourselves, which is why we have put together a comprehensive list of the best rear derailleurss available in the market today.

After hours of searching and using all the models on the market, we have found the best rear derailleurs for 2023. See our ranking below!

How Do You Buy The Best Rear Derailleurs?

Do you get stressed out thinking about shopping for a great rear derailleurs? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching rear derailleurs, which is why we have assembled a comprehensive list of the greatest rear derailleurs available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for rear derailleurs that you consider buying. Your questions might include the following:

  • Is it worth buying an rear derailleurs?
  • What benefits are there with buying an rear derailleurs?
  • What factors deserve consideration when shopping for an effective rear derailleurs?
  • Why is it crucial to invest in any rear derailleurs, much less the best one?
  • Which rear derailleurs are good in the current market?
  • Where can you find information like this about rear derailleurs?

We’re convinced that you likely have far more questions than just these regarding rear derailleurs, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for rear derailleurs, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible rear derailleurs. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an rear derailleurs buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available rear derailleurs currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of rear derailleurs has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an rear derailleurs?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your rear derailleurs.
  5. Customer Ratings: Number ratings grade rear derailleurs objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their rear derailleurs.
  7. Product Quality: You don’t always get what you pay for with an rear derailleurs, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an rear derailleurs is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining rear derailleurs information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding rear derailleurs is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How do I choose a rear derailleur?

A: Choose a bike parts retailer website and use its parts search interface. Most general bike parts websites carry derailleur hangers, and there are also sites that focus specifically on these small but critical bike components. Most of these sites rely on search boxes to help you find the right hanger—for instance, entering your bike’s make …

Q: How to setup and adjust a rear derailleur?

A: Adjusting the rear derailleur. Step 1. Put the gear lever into top gear, turn the pedals and allow the chain to go onto the smallest cog on the cassette. If there is a cable adjuster on the gear …

Q: How to clean and lubricate a rear derailleur?

A: Shift to the big chainring and big cog,then loosen the rear derailleur’s cable clamp. Set the inner limit–or how far the derailleur can travel toward the spokes. … Set the outer limit-or how far the derailleur travels away from the spokes. …

Q: Do I need a new rear derailleur?

A: Yes, also only use Campagnolo rear derailleurs with Campagnolo cassettes and shifters. While some elements of a drivetrain may be cross-compatible between brands, when it comes to derailleurs and shifters, they are most often not. If you have a Shimano shifter, you need a Shimano derailleur, and likewise with other brands.