Top Rear Bicycle Derailleurs and Components

The best Rear Bike Derailleurs includes SHIMANO Altus RDM310 Rear Derailleur, Huazu Rear Derailleur for 6/7 Speed Bikes, Relwears RD-TY21B 6/7 Speed Derailleur and many others as mentioned below.

1

SHIMANO Altus RDM310 Rear Derailleur

  • Durable metal construction for long-lasting performance.
  • Direct mount design for easy installation.
  • Compatible with Shimano/SRAM 8-speed drivetrains.
  • Top-normal derailleur action for reliable shifting.
  • Chain wrap capacity of 43 teeth.
  • Lightweight at only 326g for better performance.
  • Suitable for mountain biking enthusiasts.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Size: ‎DIRECT MOUNT
  • Color: Select Color
  • Material: Alloy Steel
2

Huazu Rear Derailleur for 6/7 Speed Bikes

  • Compatible with 6/7 speed SIS drivetrains.
  • Durable aluminum and plastic alloy construction.
  • Provides excellent and stable shifting performance.
  • Total capacity of 34T for smooth operation.
  • Direct mount design for easy installation.
  • Suitable for mountain, road, and folding bikes.
  • Check mount type before ordering for compatibility.
  • Average Rating out of 5:
  • Price Range: $17.98
  • Size: ‎Large
  • Color: Black
  • Material: Aluminum
3

Relwears RD-TY21B 6/7 Speed Derailleur

  • Compatible with 6/7 speed bike systems.
  • Constructed from durable aluminum alloy material.
  • Ensures safe and stable riding performance.
  • Suitable for various bike types, including MTB.
  • Hanger mount design for easy installation.
  • Professional customer support available for inquiries.
  • Perfect for commuters, cruisers, and folding bikes.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Size: ‎6/7 Speed
  • Color: Black-RD-TY21B-Hanger Mount
  • Material: Aluminum
4

Shimano RD-TY500 Tourney Rear Derailleur

  • Compatible with Shimano 6 and 7 speed shifters.
  • Advanced light action design for smooth shifting.
  • SGS cage accommodates a wide gear range.
  • Direct fit; easily screws into frame.
  • SIS rear index shifting for precise gear changes.
  • 13-tooth pulleys ensure longevity and reduced noise.
  • Reliable performance for casual and serious cyclists.
  • Average Rating out of 5:
  • Price Range: $15.40
  • Size: ‎One Size
  • Color: Black
  • Material: Aluminum
5

Airuzara RD-TZ31A Rear Derailleur 6/7 Speed

  • Durable aluminum alloy for long-lasting performance.
  • Compatible with 6/7 speed systems.
  • Precise adjustment for optimal shifting accuracy.
  • Smooth, silent operation with wear-resistant guide wheel.
  • Easy installation and maintenance process.
  • Designed for various bike types and styles.
  • Check mount type before ordering for compatibility.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Color: RD-TZ31A-Direct Mount
  • Material: Aluminum
6

Relwears Tourney RD-TY300 Rear Derailleur

  • Compatible with 6/7 speed bikes.
  • Smooth shifting for better performance.
  • Easy and fast installation process.
  • Durable aluminum alloy construction.
  • Long cage design for maximum capacity.
  • Suitable for various bike types.
  • Excellent stability during rides.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Size: ‎RD-TY300
  • Color: Black
  • Material: Aluminum
7

RainFlowwer RD-TY21B Rear Derailleur 6/7 Speed

  • Compatible with 6 and 7 speed systems.
  • Durable aluminum alloy construction ensures stability.
  • Hanger mount design for easy installation.
  • Ideal for mountain, road, and city bikes.
  • Lightweight yet strong for optimal performance.
  • Reliable transmission for smooth gear changes.
  • Contact us for any service inquiries.
  • Average Rating out of 5:
  • Price Range: $15.99
  • Size: ‎One Size
  • Color: RDTY21B/Hanger Mount-Black
  • Material: Metal
8

Shimano RD-TX800 Rear Derailleur (7/8 SPD)

  • Compatible with 7/8-speed drivetrains.
  • Features Smart Cage for smooth shifting.
  • MegaRange compatibility for versatile gear ratios.
  • Maximum cog size of 34 teeth.
  • Long cage design for optimal chain wrap.
  • Chain wrap capacity up to 43 teeth.
  • Direct attachment for easy installation.
  • Average Rating out of 5:
  • Price Range: $18.24
  • Size: ‎7/8 Speed
  • Color: Black
  • Material: Aluminum
9

Stylrtop 2 pcs Aluminum Jockey Wheel

  • Durable aluminum alloy construction for longevity.
  • 11T design for optimal performance and efficiency.
  • Fully sealed bearings for smooth operation.
  • Compatible with Shimano and SRAM systems.
  • Fits 6 to 11-speed chains seamlessly.
  • CNC machined for precision and quality.
  • Upgraded stainless steel bearings for enhanced durability.
  • Average Rating out of 5:
  • Price Range: $11.98
  • Color: Black
  • Material: Aluminum
10

Huazu 6/7-Speed Rear Derailleur (RD-TY300)

  • Optimized for 6/7-speed SIS transmission systems.
  • Long cage design supports up to 34T cassette.
  • High-quality aluminum alloy construction ensures durability.
  • Smooth and silent shifting with nylon guide wheel.
  • Double Servo-Panta mechanism for precise shifting performance.
  • Direct mount design for easy installation.
  • Compatible with mountain, road, and touring bikes.
  • Average Rating out of 5:
  • Price Range: $16.98
  • Color: black
  • Material: Aluminum
11

SRAM GX Eagle 12-Speed Rear Derailleur

  • Precision shifting with advanced cage architecture.
  • Compatible with 10-50t and 10-52t cassettes.
  • Stylish Lunar color complements all Eagle components.
  • Durable design with updated mounting system.
  • Improved chain retention and management features.
  • Sealed cartridge pulley bearings for smooth operation.
  • Long cage design for enhanced performance.
  • Average Rating out of 5:
  • Price Range: $110.07
  • Size: ‎12 (EU)
  • Color: Lunar
  • Material: Plastic
12

Huazu Altus Rear Derailleur [RD-M310]

  • Compatible with 7/8 speed bike systems.
  • Durable wide link design for excellent performance.
  • Large guide wheel minimizes noise and wear.
  • Max rear sprocket capacity of 34T.
  • Top normal derailleur action for reliable shifting.
  • Direct mount suitable for various bike types.
  • Light-action design with Teflon-coated bushings.
  • Average Rating out of 5:
  • Price Range: $17.99
  • Color: Black
  • Material: Aluminum
13

Shimano Acera RD-M3020-SGS Rear Derailleur

  • Optimized movement with Double Servo mechanism.
  • Versatile performance for various bike setups.
  • Compatible with 7 and 8-speed systems.
  • Long cage design for improved chain wrap.
  • Chain wrap capacity of up to 45 teeth.
  • Durable black finish for long-lasting use.
  • Easy installation and maintenance for convenience.
  • Average Rating out of 5:
  • Price Range: $24.03
  • Size: ‎SGS Long Cage
  • Color: Black
  • Material: Aluminum
14

Shimano Tourney RD-TY300 Rear Derailleur

  • Compatible with 6/7-speed mountain bikes.
  • Efficient SIS rear index shifting technology.
  • SGS cage handles wide gear range.
  • Supports up to 34-tooth sprockets.
  • Durable 13-tooth pulleys for longevity.
  • Reduces noise for a smoother ride.
  • Easy installation with bracket attachment design.
  • Average Rating out of 5:
  • Price Range: $9.90
  • Size: ‎One Size
  • Color: Black
  • Material: Metal
15

TESSRAM 240mAh Battery for SRAM AXS

  • Compatible with all SRAM eTap AXS components.
  • Perfect for SRAM front and rear derailleurs.
  • Lightweight design, only 14.5g.
  • Colorful options available for customization.
  • Works with SRAM phone app control.
  • Includes one 240mAh GX AXS battery.
  • Easy installation for hassle-free upgrades.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: Blue
16

IMPALAPRO Bike Rear Derailleur Hanger Extender

  • Improves shifting behavior and reach.
  • Ultralight 13g with maximum strength.
  • Compatible with Shimano and SRAM components.
  • Available in five stylish colors.
  • Easy installation with included tools.
  • Radial grooves reduce vibration issues.
  • 100% customer satisfaction guarantee.
  • Average Rating out of 5:
  • Price Range: 0
  • Size: ‎Medium
  • Color: Black
  • Material: 7075 Aluminum Alloy
17

SHIMANO XT 12-Speed Rear Derailleur (RD-M8100)

  • Designed for Shimano 12-speed systems.
  • Aluminum construction for lightweight durability.
  • Long cage design for improved chain management.
  • Compatible with GS and SGS models.
  • Capacity: 35t (GS) and 41t (SGS).
  • Cassette range: 10-45t (GS), 10-51t (SGS).
  • Optimized for 1 x 12 gear setups.
  • Average Rating out of 5:
  • Price Range: $110.77
  • Size: ‎medium cage
  • Material: Aluminum
18

SHIMANO SLX M7100 Rear Derailleur (12-Speed)

  • High-performance 12-speed rear derailleur.
  • Durable aluminum construction for longevity.
  • Compatible with 10 - 51t cassette range.
  • Mechanical pull type for precise shifting.
  • Long cage length accommodates various gear setups.
  • Designed for 1 x 12 gearing systems.
  • Lightweight design enhances overall bike performance.
  • Average Rating out of 5:
  • Price Range: $68.00
  • Size: ‎SGS, 12-Speed
  • Color: Black
  • Material: Aluminum
19

SHIMANO Ultegra (R8000) 11 Speed Pulley Kit

  • Compatible with Ultegra R8000 and 6800-series derailleurs.
  • Lightweight design enhances overall cycling performance.
  • Durable construction for long-lasting use.
  • Easy installation for quick upgrades.
  • Smooth operation with reduced friction.
  • Stylish black finish complements your bike.
  • Backed by a 2-year manufacturer warranty.
  • Average Rating out of 5:
  • Price Range: $21.11
  • Size: ‎Ultegra RD-R8000
  • Color: Black
  • Material: Aluminum
20

Relwears Altus RD-M310 Rear Derailleur

  • Compatible with 7/8 speed bike systems.
  • Lightweight design enhances speed and maneuverability.
  • Strong adaptability for various riding terrains.
  • Maximum rear sprocket capacity of 34T.
  • Versatile fit for mountain and road bikes.
  • Easy direct installation on rear of bike.
  • Engineered for reliable performance and smooth shifting.
  • Average Rating out of 5:
  • Price Range: $28.99
  • Size: ‎RD-M310
  • Color: Black
  • Material: Aluminum
21

SHIMANO Alivio M3100 Rear Derailleur (9-Speed)

  • Designed for trail and trekking use.
  • Features Shimano's innovative Shadow RD technology.
  • Flat design prevents chain stay contact.
  • Optimized spring tension for improved performance.
  • Durable against trail obstacles and damage.
  • Supports nine-speed gear levels.
  • Utilizes HyperGlide system to reduce wear.
  • Average Rating out of 5:
  • Price Range: $32.85
  • Size: ‎standard size
  • Color: Black
  • Material: Aluminum
22

SRAM AXS Rear Derailleur Battery Cover

  • Lightweight and durable protection for AXS battery.
  • Specially designed to shield from impacts.
  • Prevents debris damage to battery.
  • Ensures longevity of your derailleur battery.
  • Seamless fit for all SRAM AXS derailleurs.
  • Focus on your ride without worries.
  • Engineered for rigorous mountain biking conditions.
  • Average Rating out of 5:
  • Price Range: $17.78
  • Size: ‎One Size
  • Color: No Results
  • Material: Aluminum
23

BIYDOO Bicycle Rear Derailleur (RD-TY21/RD-TZ31)

  • Compatible with 6/7 speed SIS index shifting.
  • Direct mount design for easy installation.
  • Durable aluminum alloy for long-lasting performance.
  • Ensures precise and stable gear shifts.
  • Suitable for various bike types and models.
  • Customer satisfaction is our top priority.
  • Responsive customer service for your inquiries.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Size: ‎TZ31-Y Direct Mount
  • Color: RD-TZ31 Direct Mount
  • Material: Aluminum
24

DJC Ceramic Bearing Pulley Wheels (2pcs)

  • Compatible with 7-12 speed Shimano and Sram.
  • Hybrid ceramic bearings for low friction performance.
  • Lightweight design: 9g to 13g options available.
  • Anodized aluminum body for durability and style.
  • Two color options: black and oilslick available.
  • Includes multiple adapters for versatile installation.
  • 1 Year Quality Coverage for peace of mind.
  • Average Rating out of 5:
  • Price Range: $13.90
  • Size: ‎2pcs 11T
25

Shimano Deore RD-M6000-GS Rear Derailleur

  • Designed for 2x10 drivetrain setups.
  • Features Shadow RD+ chain stabilizer system.
  • Minimizes chain slap for smoother rides.
  • Offers quieter drivetrain performance.
  • Reduces chain drop efficiently.
  • Lightweight compared to roller-type devices.
  • Optislick cable ensures light shifting effort.
  • Average Rating out of 5:
  • Price Range: $52.48
  • Size: ‎GS
  • Color: Black
  • Material: Metal
26

Relwears RD-M3020-SGS 8-Speed Rear Derailleur

  • Premium-grade materials for long-lasting durability.
  • SGS long cage design enhances chain tension stability.
  • Fast, smooth shifting with dual servo mechanism.
  • Compatible with 7/8-speed systems and various bikes.
  • Ideal for leisure and technical mountain cyclists.
  • Easy direct installation for quick setup.
  • Elevate performance with correct installation practices.
  • Average Rating out of 5:
  • Price Range: $30.99
  • Size: ‎RD-M3020
  • Color: black
  • Material: Aluminum
27

microSHIFT Mezzo M35 R Derailleur (8/9-Speed)

  • Lightweight aluminum bracket for reduced weight.
  • Durable steel pulley cage for longevity.
  • Compatible with Shimano 8/9-speed systems.
  • Chain wrap capacity up to 45 teeth.
  • Supports largest cog size of 34 teeth.
  • Long cage design for smooth shifting.
  • Available in sleek black color.
  • Average Rating out of 5:
  • Price Range: $9.36
  • Color: Black
  • Material: Aluminum, Alloy Steel
28

SHIMANO Ultegra 11 Speed Pulley Kit

  • Compatible with Ultegra R8000 and 6800-series.
  • Designed for optimal road cycling performance.
  • Durable construction for long-lasting use.
  • Lightweight design enhances bike efficiency.
  • Easy installation for quick upgrades.
  • Smooth pulley action improves shifting precision.
  • Enhances overall drivetrain performance and reliability.
  • Average Rating out of 5:
  • Price Range: $17.64
  • Size: ‎Ultegra RD-6800
  • Color: Black
  • Material: Metal Alloy Steel