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Best Rear Bike Derailleurs - Buying Guide

Last Updated: 05/27/2024

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Bestselling Rear Bike Derailleurs on Amazon

  1. Shimano Bike Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount Rear Derailleur for Mountain Bike Tric...
  2. Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
  3. MEGHNA Shimano Tourney RD-TY300 6/7-Speed Rear Derailleur for Hybrid Bike MTB Mountain Bike Folding ...
  4. Shimano Tourney TY500 6/7-Speed Rear Derailleur
  5. Shimano Tourney RD-TY300-SGS 6/7-Speed Mountain Bicycle Rear Derailleur , Black, One Size
  6. Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black
  7. MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black
  8. THALOUS Bicycle Rear Derailleur 6/7/8 Speed Tourney RD-TY300 RD-TX800 Altus RD-M310 for MTB Bike Dir...
  9. Hycline Bike Rear Derailleur RD-TY21B 6/7 Speed Hanger Mount for Mountain Bicycle-Black
  10. THALOUS Bicycle Rear Derailleur Tourney RD-TZ31-A 6/7 Speed for MTB Bike Hanger Mount
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.

  #1

Shimano Bike Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount Rear Derailleur for Mountain Bike Tricycle Commuter Bike Folding Bike

Asin: B08VRZ5597   |   Model: RDTZ31A   |   PartNumber: RDTZ31A   |   Ean: 0769016266625   |   UPC: 769016266625

Features

  • Model: RD-TZ31-A; Bike rear derailleur, compatible with 6/7 speed mountain bikes, commuter bike, tricycle, folding bike etc.
  • Note: The bike rear derailleur is direct mount, not hanger mount. Please choose right mount way before you purchase.
  • Stability: Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.
  • Application: Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc.
  • Important: We provide excellent customer service, please feel free to contact if you have any questions.
  • See more on Amazon...

Stability: Made Of High Quality Durable Aluminum Alloy Material And Come With Excellent Shifting Performance Ensure Your Safe And Stable While Riding..
Important: We Provide Excellent Customer Service, Please Feel Free To Contact If You Have Any Questions..
Application: Suitable For Mtb, Mountain Bikes, Road Bikes, Folding Bicycles, Commuter Bikes, Tricycles, Eletric Bikes Etc..
Note: The Bike Rear Derailleur Is Direct Mount, Not Hanger Mount. Please Choose Right Mount Way Before You Purchase..

Brand: MEGHNA   |   Manufacturer: MEGHNA

Dimensions: 2.24 x 5.08 x 4.25 inches   |   Weight: 0.26 Pounds

Amazon Price: $16.99 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
Used Price: $16.14

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  #2

Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage

Asin: B005CMUQU0   |   Model: RDM310DL   |   PartNumber: RDM310DL
Ean: 0620307457880, 0689228130920, 0520307452833, 6892281309200, 0750076832677, 0787766457704, 0713831856783, 4032191714233, 4524667130925
UPC: 520307452833, 713831856783, 620307457880, 689228130920, 750076832677, 787766457704

Features

  • 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
  • See more on Amazon...

Shifter/Rear Derailleur : Shimano, Speeds: 8Sp, Weight: 326G.
Derailleur Color: Black, Drivetrain Spacing: Shimano/Sram 8, Largest Cog: 34Teeth.

First Available: 07/15/2010

Brand: SHIMANO   |   Manufacturer: Shimano

Dimensions: 4.72 x 6.30 x 6.30 inches   |   Weight: 0.11 pounds

Amazon Price: $7.22 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
List Price: $14.09 | Used Price: $9.00

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  #3

MEGHNA Shimano Tourney RD-TY300 6/7-Speed Rear Derailleur for Hybrid Bike MTB Mountain Bike Folding Bike Direct Mount

Asin: B08Z3WRDB1   |   Model: RD-TY300   |   PartNumber: RD-TY300

Features

  • Model: RD-TY300-SGS; Bike Rear Derailleur 6/7 Speed for most kinds of bikes like mountain bike, hybrid bike, kids bike, cruiser bike etc.
  • Features: Smooth shifting, easy and fast to install. Bracket fit (under wheel nut) Long cage tourney derailleur, total capacity 43T, pulley/Teeth 13/13T. Low sprocket: Max. 34T; Low sprocket: Min. 28T; Top sprocket: Max. 14T; Top sprocket: Min. 11T.
  • Stability: Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.
  • Application: Compatible with 6 and 7-speed SIS INDEX variable speed transmission systems. Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc.
  • Type: Long cage tourney derailleur, compatible with 11T /14T high speed gear.
  • Important: We provide excellent customer service, please feel free to contact if you have any questions.
  • See more on Amazon...

Stability: Made Of High Quality Durable Aluminum Alloy Material And Come With Excellent Shifting Performance Ensure Your Safe And Stable While Riding..
Type: Long Cage Tourney Derailleur, Compatible With 11T /14T High Speed Gear..
Important: We Provide Excellent Customer Service, Please Feel Free To Contact If You Have Any Questions..
Application: Compatible With 6 And 7-Speed Sis Index Variable Speed Transmission Systems. Suitable For Mtb, Mountain Bikes, Road Bikes, Folding Bicycles, Commuter Bikes, Tricycles, Eletric Bikes Etc..
Features: Smooth Shifting, Easy And Fast To Install. Bracket Fit (Under Wheel Nut) Long Cage Tourney Derailleur, Total Capacity 43T, Pulley/Teeth 13/13T. Low Sprocket: Max. 34T; Low Sprocket: Min. 28T; Top Sprocket: Max. 14T; Top Sprocket: Min. 11T..

Brand: MEGHNA   |   Manufacturer: MEGHNA

Weight: 0.69 pounds

Warranty: 1 Year

Amazon Price: $17.53 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
List Price: $19.99 | Used Price: $15.78

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  #4

Shimano Tourney TY500 6/7-Speed Rear Derailleur

Asin: B01DQ8KA8O   |   Model: TY500   |   PartNumber: TY500   |   Ean: 4524667393696, 0689228393691   |   UPC: 689228393691

Features

  • Shimano Tourney Rear derailleur compatible with all Shimano 6 and 7 speed shifters. Advanced light action design
  • SGS cage can handle wide range gearing. Direct fit (screws into hole in frame).
  • SIS Rear index shifting. 13 tooth pulleys offer long service life and less noise.
  • See more on Amazon...

Sis Rear Index Shifting. 13 Tooth Pulleys Offer Long Service Life And Less Noise..
Sgs Cage Can Handle Wide Range Gearing. Direct Fit (Screws Into Hole In Frame)..

Brand: SHIMANO   |   Manufacturer: Shimano

Dimensions: 3.94 x 11.81 x 3.94 inches   |   Weight: 0.66 Pounds

Amazon Price: $15.95 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In stock Usually ships within 2 to 3 days.
List Price: $25.95

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  #5

Shimano Tourney RD-TY300-SGS 6/7-Speed Mountain Bicycle Rear Derailleur , Black, One Size

Asin: B0052KDG4U   |   Model: AMRDTX35B   |   PartNumber: AMRDTX35B   |   Ean: 4524667432562, 0689228393646   |   UPC: 689228393646

Features

  • 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
  • See more on Amazon...

Sgs Cage Can Handle Wide Range Gearing And 34 Tooth Sprockets.
13 Tooth Pulleys Offer Long Service Life And Less Noise.
Sis Rear Index Shifting.

Brand: SHIMANO   |   Manufacturer: Shimano

Dimensions: 3.00 x 5.50 x 5.25 inches   |   Weight: 0.85 pounds

Amazon Price: $11.99 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
Used Price: $10.19

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  #6

Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black

Asin: B000F5EGAA   |   Model: ERDM360SGSL   |   PartNumber: ERDM360SGSL   |   Ean: 6221243036036, 0765868407865, 0689228245433, 6892282454336, 0652710674912   |   UPC: 689228245433, 765868407865, 652710674912

Features

8-Speed Rear Derailleur With Smartcage, Black.

First Available: 02/19/2010

Brand: SHIMANO   |   Manufacturer: Shimano

Dimensions: 6.50 x 4.25 x 3.75 inches   |   Weight: 0.90 pounds

Amazon Price: $15.00 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
List Price: $23.99 | Used Price: $17.14

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  #7

MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black

Asin: B08P4TBGGJ   |   Model: EN-RDTY21B   |   PartNumber: EN-RDTY21B

Features

  • *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: With 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.
  • See more on Amazon...

*Stability: With Aluminum Alloy Material And Excellent Shifting Performance Ensure Safe And Stable Riding..
*Important: Please Feel Free To Contact If You Have Any Questions, We Will Provide Quality Service..
*Wide Application: Rear Derailleur Is Easy To Use And Maintain.Suitable For Mtb,Mountain Bikes, Road Bikes, Folding Bicycles And So On..
*Note:The Rear Derailleur Is Direct Mount,Not Hub Bolt Mount .Please Check The Mount Type Of The Original Part Before Ordering..

Brand: MOHEGIA

Weight: 0.55 Pounds

Amazon Price: $17.99 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock

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  #8

THALOUS Bicycle Rear Derailleur 6/7/8 Speed Tourney RD-TY300 RD-TX800 Altus RD-M310 for MTB Bike Direct Mount

Asin: B09N3VNZNG   |   Model: TH-TY300-US   |   PartNumber: TH-TY300-US   |   Ean: 0762774191130   |   UPC: 762774191130

Features

  • MODEL Bicycle rear derailleur Tourney RD-TY300, suitable for 6-speed,7-speed and 8-speed SIS index variable speed drives. Please pay attention to the speed when buying.
  • Direct installation Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted. Our model is a direct installation method.
  • High-quality material This bicycle rear derailleur is made of high-quality steel, sturdy and durable, not easily deformed and not easily damaged.
  • Wide application This bicycle transmission is suitable for variable speed bikes, such as mountain bikes, road bikes, racing bikes, city bikes, folding bikes, etc. Is a good helper for your riding.
  • Professional customer service If you have any questions about our products or services, please feel free to contact us, we will provide you with professional services.
  • See more on Amazon...

【High-Quality Material】This Bicycle Rear Derailleur Is Made Of High-Quality Steel, Sturdy And Durable, Not Easily Deformed And Not Easily Damaged..
【Professional Customer Service】If You Have Any Questions About Our Products Or Services, Please Feel Free To Contact Us, We Will Provide You With Professional Services..
【Wide Application】This Bicycle Transmission Is Suitable For Variable Speed Bikes, Such As Mountain Bikes, Road Bikes, Racing Bikes, City Bikes, Folding Bikes, Etc. Is A Good Helper For Your Riding..
【Direct Installation】Before Purchasing, Please Confirm Whether The Rear Derailleur Of Your Bicycle Is Directly Installed Or Hook Mounted. Our Model Is A Direct Installation Method..

Brand: THALOUS   |   Manufacturer: THALOUS

Dimensions: 2.36 x 5.91 x 3.94 Inches

Warranty: False

Amazon Price: $19.98 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock
Used Price: $18.98

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  #9

Hycline Bike Rear Derailleur RD-TY21B 6/7 Speed Hanger Mount for Mountain Bicycle-Black

Asin: B0918ZLLGY   |   Model: Rnry-RD-TY21B-BLK   |   PartNumber: Rnry-RD-TY21B-BLK

Features

  • MODEL: RD-TY21B Black Rear Derailleur,Suitable for 6/7speed.
  • PERFORMANCE:Forged with high hardness aluminum alloy.The hollow weight-reduction design is adopted,and the speed change is more stable.
  • PRECISE ADJUSTMENT: High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.
  • INSTALLATION:Fast and convenient installation and easy maintenance.(Note:The bike rear derailleur is hub bolt mount,not direct mount .Please check the mount type of the original part before ordering.)
  • SCOPE OF APPLICATION:Suitable for mountain bikes, station wagons, folding bikes, etc.If you have any questions,please feel free to contact us.We will provide timely response and quality service.
  • See more on Amazon...

Precise Adjustment: High-Hardness Aluminum Alloy Body Adjustment, Adjustment Is More Precise. It Can Be Adjusted Slightly In Multiple Places To Ensure Accurate Speed Change Performance..
Scope Of Application:Suitable For Mountain Bikes, Station Wagons, Folding Bikes, Etc.If You Have Any Questions,Please Feel Free To Contact Us.We Will Provide Timely Response And Quality Service..
Installation:Fast And Convenient Installation And Easy Maintenance.(Note:The Bike Rear Derailleur Is Hub Bolt Mount,Not Direct Mount .Please Check The Mount Type Of The Original Part Before Ordering.).
Performance:Forged With High Hardness Aluminum Alloy.The Hollow Weight-Reduction Design Is Adopted,And The Speed Change Is More Stable..

Brand: Hycline   |   Manufacturer: shimano

Weight: 0.54 pounds

Amazon Price: $17.99 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock

See On Amazon




  #10

THALOUS Bicycle Rear Derailleur Tourney RD-TZ31-A 6/7 Speed for MTB Bike Hanger Mount

Asin: B0BDZZD1BQ   |   Model: TH-TZ31-G-US   |   PartNumber: TH-TZ31-G-US

Features

  • MODEL Bicycle rear derailleur RD-TZ31-A, suitable for 6-speed and 7-speed SIS index variable speed drives.
  • Hook mounted Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted. This model is a Hook mounted method.
  • High-quality material Made of high-quality steel, sturdy and durable, not easily deformed and not easily damaged.
  • Wonderful performance The guide wheel of the rear derailleur is smooth and silent, the shifting is smooth, and the chain will not be damaged, making the riding easy and comfortable.
  • Wide application This bicycle transmission is suitable for variable speed bikes, mountain bikes, road bikes, bicycle racing, city bikes, folding bikes, etc.
  • See more on Amazon...

【High-Quality Material】Made Of High-Quality Steel, Sturdy And Durable, Not Easily Deformed And Not Easily Damaged..
【Wide Application】This Bicycle Transmission Is Suitable For Variable Speed Bikes, Mountain Bikes, Road Bikes, Bicycle Racing, City Bikes, Folding Bikes, Etc..
【Wonderful Performance】The Guide Wheel Of The Rear Derailleur Is Smooth And Silent, The Shifting Is Smooth, And The Chain Will Not Be Damaged, Making The Riding Easy And Comfortable..
【Hook Mounted】Before Purchasing, Please Confirm Whether The Rear Derailleur Of Your Bicycle Is Directly Installed Or Hook Mounted. This Model Is A Hook Mounted Method..

Brand: THALOUS   |   Manufacturer: THALOUS

Dimensions: 2.36 x 5.91 x 4.72 inches

Warranty: False

Amazon Price: $16.58 | as of 05/27/2024 (7:39am pst) *DETAILS
Availability: In Stock

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