Best Derailleurs Parts of 2026

Last updated on 11/04/2026
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1
Shimano FD-TZ510 6-speed MTB Front Derailleur Bike Parts, Bike Gear, Down Swing, Down Pull, 28.6mm, 66-69, 48T

Shimano FD-TZ510 6-speed MTB Front Derailleur Bike Parts, Bike Gear, Down Swing, Down Pull, 28.6mm, 66-69, 48T

SHIMANO
6% Off
Main Highlights
  • Shimano FD-TZ510 6-speed MTB front derailleur, down swing, down pull, 28.6mm, 66-69, 48T
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9.8
Exceptional
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9.8
Exceptional
SHIMANO

Shimano FD-TZ510 6-speed MTB Front Derailleur Bike Parts, Bike Gear, Down Swing, Down Pull, 28.6mm, 66-69, 48T

6% Off
Main Highlights
  • Shimano FD-TZ510 6-speed MTB front derailleur, down swing, down pull, 28.6mm, 66-69, 48T
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Value for Money
2
SHIMANO Unisex's RDTY300B Bike Parts, Other, One Size,Black
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SHIMANO Unisex's RDTY300B Bike Parts, Other, One Size,Black

SHIMANO
Why we love it
  • Smooth and precise shifting.
  • Lightweight and durable construction.
  • Easy installation with mounting bracket.
Main Highlights
  • Shimano RD-TY300 6/7-speed rear derailleur with mounting bracket
  • Advanced light action design
  • Bracket fit (under wheel nut).
  • SIS Rear index shifting.
  • Max Sprocket 34T & Min Sprocket 11T.
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9.6
Superb
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9.6
Superb
SHIMANO

SHIMANO Unisex's RDTY300B Bike Parts, Other, One Size,Black

Why we love it
  • Smooth and precise shifting.
  • Lightweight and durable construction.
  • Easy installation with mounting bracket.
Main Highlights
  • Shimano RD-TY300 6/7-speed rear derailleur with mounting bracket
  • Advanced light action design
  • Bracket fit (under wheel nut).
  • SIS Rear index shifting.
  • Max Sprocket 34T & Min Sprocket 11T.
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3
TerchPilet Derailleur Hanger 266 Compatible with GT Bikes – Replaces GT Part #ATIDH0233 & K33047 – Fits Sensor, Zaskar, Helion, Avalanche, Edge, Comp 19 – Black Aluminum Alloy – Bolts Included
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TerchPilet Derailleur Hanger 266 Compatible with GT Bikes – Replaces GT Part #ATIDH0233 & K33047 – Fits Sensor, Zaskar, Helion, Avalanche, Edge, Comp 19 – Black Aluminum Alloy – Bolts Included

TerchPilet
Why we love it
  • Precise OEM hanger match.
  • Durable CNC aluminum.
  • Mounting bolts included.
Main Highlights
  • Compatible with GT Part Numbers ATIDH0233 & K33047: Designed to precisely match OEM derailleur hangers for GT Sensor, Zaskar, Helion, Corsa, Xizang, Avalanche Comp 19, and more. Ideal replacement for worn or damaged hangers.
  • Durable CNC-Machined Aluminum Alloy: Made from high-strength, corrosion-resistant aluminum alloy for long-lasting performance and secure shifting.
  • Includes Mounting Bolts: Everything you need is in the box. Mounting hardware included for quick and easy installation without extra trips to the shop.
  • Perfect Fit & Alignment: Engineered for a precise fit to restore original drivetrain alignment and protect your derailleur from further damage.
  • Sleek Anodized Black Finish: Matte black anodizing blends seamlessly with modern frame designs and resists scratches and corrosion.
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9.5
Superb
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9.5
Superb
TerchPilet

TerchPilet Derailleur Hanger 266 Compatible with GT Bikes – Replaces GT Part #ATIDH0233 & K33047 – Fits Sensor, Zaskar, Helion, Avalanche, Edge, Comp 19 – Black Aluminum Alloy – Bolts Included

Why we love it
  • Precise OEM hanger match.
  • Durable CNC aluminum.
  • Mounting bolts included.
Main Highlights
  • Compatible with GT Part Numbers ATIDH0233 & K33047: Designed to precisely match OEM derailleur hangers for GT Sensor, Zaskar, Helion, Corsa, Xizang, Avalanche Comp 19, and more. Ideal replacement for worn or damaged hangers.
  • Durable CNC-Machined Aluminum Alloy: Made from high-strength, corrosion-resistant aluminum alloy for long-lasting performance and secure shifting.
  • Includes Mounting Bolts: Everything you need is in the box. Mounting hardware included for quick and easy installation without extra trips to the shop.
  • Perfect Fit & Alignment: Engineered for a precise fit to restore original drivetrain alignment and protect your derailleur from further damage.
  • Sleek Anodized Black Finish: Matte black anodizing blends seamlessly with modern frame designs and resists scratches and corrosion.
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4
Shimano Spare Part D/Ace Di2 9150 28.6/31.8 Adapter,Black
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Shimano Spare Part D/Ace Di2 9150 28.6/31.8 Adapter,Black

SHIMANO
Why we love it
  • Easy installation on frames.
  • Versatile for various designs.
  • Compact size for storage.
Main Highlights
  • Band on adapter to fit FD9150 braze on derailleur to a band on frame design
  • Item Package Length: 5.5 cm
  • Item Package width: 11.0 cm
  • Item Package Height: 3.6 cm
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9.4
Superb
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9.4
Superb
SHIMANO

Shimano Spare Part D/Ace Di2 9150 28.6/31.8 Adapter,Black

Why we love it
  • Easy installation on frames.
  • Versatile for various designs.
  • Compact size for storage.
Main Highlights
  • Band on adapter to fit FD9150 braze on derailleur to a band on frame design
  • Item Package Length: 5.5 cm
  • Item Package width: 11.0 cm
  • Item Package Height: 3.6 cm
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5
Derailleur Hanger 409/GH-165 Compatible with Cube Part# 10148 – Fits Reaction, Access, Aim, Acid, Touring, Kathmandu, Nature, Nuride – Aluminum Alloy Replacement Rear Dropout – Includes Bolts
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Derailleur Hanger 409/GH-165 Compatible with Cube Part# 10148 – Fits Reaction, Access, Aim, Acid, Touring, Kathmandu, Nature, Nuride – Aluminum Alloy Replacement Rear Dropout – Includes Bolts

TerchPilet
Why we love it
  • Compatible with popular bike models.
  • Includes necessary mounting bolts.
  • Durable aluminum alloy construction.
Main Highlights
  • Cube Compatibility – Fully compatible with Cube part number 10148. Designed to fit popular models including Reaction, Access, Aim, Acid, Kathmandu, Touring, Nature, Nuride, and more (see full list below).
  • Includes Mounting Bolts – Comes with the necessary mounting bolts for quick and secure installation. A reliable replacement for damaged or bent derailleur hangers.
  • Durable Construction – Crafted from high-strength aluminum alloy for enhanced durability, precision shifting, and long-lasting performance. Anodized black finish for corrosion resistance.
  • Essential Spare for Riders – A vital backup for bike maintenance and trail emergencies. Keep one in your toolkit to avoid ride delays due to hanger breakage.
  • Confirm Fit Before Purchase – Please compare the shape and mount style with your original hanger or consult your bike’s model/year to ensure correct fitment.
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9.3
Superb
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9.3
Superb
TerchPilet

Derailleur Hanger 409/GH-165 Compatible with Cube Part# 10148 – Fits Reaction, Access, Aim, Acid, Touring, Kathmandu, Nature, Nuride – Aluminum Alloy Replacement Rear Dropout – Includes Bolts

Why we love it
  • Compatible with popular bike models.
  • Includes necessary mounting bolts.
  • Durable aluminum alloy construction.
Main Highlights
  • Cube Compatibility – Fully compatible with Cube part number 10148. Designed to fit popular models including Reaction, Access, Aim, Acid, Kathmandu, Touring, Nature, Nuride, and more (see full list below).
  • Includes Mounting Bolts – Comes with the necessary mounting bolts for quick and secure installation. A reliable replacement for damaged or bent derailleur hangers.
  • Durable Construction – Crafted from high-strength aluminum alloy for enhanced durability, precision shifting, and long-lasting performance. Anodized black finish for corrosion resistance.
  • Essential Spare for Riders – A vital backup for bike maintenance and trail emergencies. Keep one in your toolkit to avoid ride delays due to hanger breakage.
  • Confirm Fit Before Purchase – Please compare the shape and mount style with your original hanger or consult your bike’s model/year to ensure correct fitment.
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6
Shimano SPARE PART RDT610 pulley set
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Shimano SPARE PART RDT610 pulley set

SHIMANO
9.3
Superb
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9.3
Superb
SHIMANO

Shimano SPARE PART RDT610 pulley set

7
Derailleur Hanger 11 for Specialized & Focus Bikes – Replacement Rear Dropout GH-089 Hanger Compatible with Part #9893-4291, Allez, Crossroads, and more – Aluminum Alloy, Includes Mounting Screws
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Derailleur Hanger 11 for Specialized & Focus Bikes – Replacement Rear Dropout GH-089 Hanger Compatible with Part #9893-4291, Allez, Crossroads, and more – Aluminum Alloy, Includes Mounting Screws

TerchPilet
17% Off
Why we love it
  • Precise replacement for various models.
  • Durable CNC-machined aluminum construction.
  • Includes necessary mounting hardware.
Main Highlights
  • Precise Compatibility – Direct replacement for Specialized Part #9893-4291 and select Focus models, including Mares CX and Raven. Please confirm fit by matching with your original hanger shape.
  • Durable Material – Made from CNC-machined aluminum alloy with black anodized finish for enhanced strength, corrosion resistance, and sleek appearance.
  • Wide Bike Compatibility – Fits many Specialized models such as Allez, Sirrus, Vita, Crossroads, Expedition, CruX, Dolce, Ruby, AWOL, Tricross, and more (see full list below).
  • Includes Mounting Screws – Comes with the necessary hardware for fast and secure installation on your bike’s rear dropout.
  • Fitment Tip – Always check alignment of the dropout before installing. Misaligned dropouts may lead to repeated hanger breakage.
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9.2
Superb
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9.2
Superb
TerchPilet

Derailleur Hanger 11 for Specialized & Focus Bikes – Replacement Rear Dropout GH-089 Hanger Compatible with Part #9893-4291, Allez, Crossroads, and more – Aluminum Alloy, Includes Mounting Screws

17% Off
Why we love it
  • Precise replacement for various models.
  • Durable CNC-machined aluminum construction.
  • Includes necessary mounting hardware.
Main Highlights
  • Precise Compatibility – Direct replacement for Specialized Part #9893-4291 and select Focus models, including Mares CX and Raven. Please confirm fit by matching with your original hanger shape.
  • Durable Material – Made from CNC-machined aluminum alloy with black anodized finish for enhanced strength, corrosion resistance, and sleek appearance.
  • Wide Bike Compatibility – Fits many Specialized models such as Allez, Sirrus, Vita, Crossroads, Expedition, CruX, Dolce, Ruby, AWOL, Tricross, and more (see full list below).
  • Includes Mounting Screws – Comes with the necessary hardware for fast and secure installation on your bike’s rear dropout.
  • Fitment Tip – Always check alignment of the dropout before installing. Misaligned dropouts may lead to repeated hanger breakage.
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8
Yosoo Health Gear Bike Derailleur Guard, Bicycle Rear Derailleur Guard, Bike Rack Protector Bike Bicycle Parts Cycling Rear Derailleur Chain Protective Guard
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Yosoo Health Gear Bike Derailleur Guard, Bicycle Rear Derailleur Guard, Bike Rack Protector Bike Bicycle Parts Cycling Rear Derailleur Chain Protective Guard

Yosoo Health Gear
Why we love it
  • Durable metal construction ensures longevity.
  • Effective protection against derailleur damage.
  • Quick installation saves valuable time.
Main Highlights
  • [High Quality ]: The bicycle rear derailleur guard is made of strong metal, very durable, suitable for most mountain bikes, road bikes, folding bicycles, racing bikes
  • [Function]: The bicycle rear derailleur guard provides effective for rear derailleur, prevent the derailleur was struck distorti on or displacement in riding
  • [Unique Design]: Arch angle design, making the protector not easy to deform under strong impact force
  • [Universal]: The shape conforms to most mountain bike, provides effective for the rear derailleur, prevent derailment
  • [Quick and Easy Install]: Can be easily installed with a single fixed hole, just be fixed in the corresponding hole position
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9.1
Superb
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9.1
Superb
Yosoo Health Gear

Yosoo Health Gear Bike Derailleur Guard, Bicycle Rear Derailleur Guard, Bike Rack Protector Bike Bicycle Parts Cycling Rear Derailleur Chain Protective Guard

Why we love it
  • Durable metal construction ensures longevity.
  • Effective protection against derailleur damage.
  • Quick installation saves valuable time.
Main Highlights
  • [High Quality ]: The bicycle rear derailleur guard is made of strong metal, very durable, suitable for most mountain bikes, road bikes, folding bicycles, racing bikes
  • [Function]: The bicycle rear derailleur guard provides effective for rear derailleur, prevent the derailleur was struck distorti on or displacement in riding
  • [Unique Design]: Arch angle design, making the protector not easy to deform under strong impact force
  • [Universal]: The shape conforms to most mountain bike, provides effective for the rear derailleur, prevent derailment
  • [Quick and Easy Install]: Can be easily installed with a single fixed hole, just be fixed in the corresponding hole position
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9
DesertBoy 2 Piece Bike Rear Derailleur Hanger Aluminium Alloy Rear Gear Mech Bike Gear Derailleur Hanger Hook Drop Out Adapter with Allen Wrench and Screws
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DesertBoy 2 Piece Bike Rear Derailleur Hanger Aluminium Alloy Rear Gear Mech Bike Gear Derailleur Hanger Hook Drop Out Adapter with Allen Wrench and Screws

DesertBoy
Why we love it
  • Lightweight and durable construction.
  • Protects frame from damage.
  • Easy to install.
Main Highlights
  • 【Aluminum Alloy Material】Rear derailleur hanger is made of premium aluminum alloy material, which is light in weight, high in strength, smooth surface without burrs, not easy to deform and rust, durable and has a long service life, bringing you a safe and long-lasting riding experience. (Note: Please check carefully and make sure that the shape of this product matches the tail hook of your bike for your convenience.)
  • 【Well Protected】In the event of a severe impact, the alloy bike rear derailleur hanger transmission tail hook will absorb the impact by bending or directly breaking, protecting your rear derailleur and frame from damage to a certain extent.
  • 【Easy to Installation】The bicycle aluminium alloy rear gear mech adopts screw design, which is easy to install and disassemble. We provide matching mounting screws and allen wrench for easy installation and removal without complicated steps and tools.
  • 【Reduce Maintenance Costs】Our alloy rear derailleur hanger transmission tail hook can be replaced at any time. If it is broken after a serious bump, or becomes old, it can be replaced in time, thereby reducing the cost of frame maintenance.
  • 【Application】Bicycle aluminium alloy rear gear mech derailleur hanger is well made, suitable for most bicycles, such as mountain bikes, road bikes, folding bikes, derailleurs, etc. It can be also used as a spare part to reduce the maintenance cost of the frame.
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9.0
Superb
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9.0
Superb
DesertBoy

DesertBoy 2 Piece Bike Rear Derailleur Hanger Aluminium Alloy Rear Gear Mech Bike Gear Derailleur Hanger Hook Drop Out Adapter with Allen Wrench and Screws

Why we love it
  • Lightweight and durable construction.
  • Protects frame from damage.
  • Easy to install.
Main Highlights
  • 【Aluminum Alloy Material】Rear derailleur hanger is made of premium aluminum alloy material, which is light in weight, high in strength, smooth surface without burrs, not easy to deform and rust, durable and has a long service life, bringing you a safe and long-lasting riding experience. (Note: Please check carefully and make sure that the shape of this product matches the tail hook of your bike for your convenience.)
  • 【Well Protected】In the event of a severe impact, the alloy bike rear derailleur hanger transmission tail hook will absorb the impact by bending or directly breaking, protecting your rear derailleur and frame from damage to a certain extent.
  • 【Easy to Installation】The bicycle aluminium alloy rear gear mech adopts screw design, which is easy to install and disassemble. We provide matching mounting screws and allen wrench for easy installation and removal without complicated steps and tools.
  • 【Reduce Maintenance Costs】Our alloy rear derailleur hanger transmission tail hook can be replaced at any time. If it is broken after a serious bump, or becomes old, it can be replaced in time, thereby reducing the cost of frame maintenance.
  • 【Application】Bicycle aluminium alloy rear gear mech derailleur hanger is well made, suitable for most bicycles, such as mountain bikes, road bikes, folding bikes, derailleurs, etc. It can be also used as a spare part to reduce the maintenance cost of the frame.
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10
Derailleur Hanger for Specialized Bikes (Demo, Enduro, Epic, Stumpjumper, S-Works, Rockhopper, Big Hit) - Premium Replacement Part for Mountain & Road Bicycle Rear Derailleur, Screws Included
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Derailleur Hanger for Specialized Bikes (Demo, Enduro, Epic, Stumpjumper, S-Works, Rockhopper, Big Hit) - Premium Replacement Part for Mountain & Road Bicycle Rear Derailleur, Screws Included

Livawnd
Why we love it
  • Smooth shifting for all terrains.
  • Quick and easy installation process.
  • Durable, built-to-last construction.
Main Highlights
  • Smooth, Precise Shifting Performance: A worn or damaged derailleur hanger can severely affect your bike’s shifting. Replace it with our premium derailleur hanger to restore flawless gear transitions, ensuring smooth, responsive performance for all types of terrain.derailleur hanger
  • Quick & Easy Installation: Install the derailleur hanger effortlessly with included mounting screws. Simply swap out the old one, check the alignment of your rear dropouts, and get back on the trails in no time! (Tip: Ensure rear dropout alignment to avoid damage.)
  • Essential Bike Component: A derailleur hanger is an essential part of your drivetrain system. Keep a spare on hand for emergencies to quickly fix any bent or broken hangers, minimizing downtime and ensuring uninterrupted riding.
  • Built to Last: Crafted from high-strength aluminum alloy, our derailleur hanger is corrosion-resistant, durable, and designed for long-lasting performance. Ride with confidence, knowing your derailleur hanger will withstand tough conditions.
  • Perfect Fit for Specialized Models: Designed to fit a wide range of Specialized mountain bikes, road bikes, and other compatible models. Dropout 65 Replaces:Part # 9895-4020,Part # 9895-4021. See below for a complete list of compatible bikes or check your current hanger shape for a perfect fit.
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8.8
Excellent
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8.8
Excellent
Livawnd

Derailleur Hanger for Specialized Bikes (Demo, Enduro, Epic, Stumpjumper, S-Works, Rockhopper, Big Hit) - Premium Replacement Part for Mountain & Road Bicycle Rear Derailleur, Screws Included

Why we love it
  • Smooth shifting for all terrains.
  • Quick and easy installation process.
  • Durable, built-to-last construction.
Main Highlights
  • Smooth, Precise Shifting Performance: A worn or damaged derailleur hanger can severely affect your bike’s shifting. Replace it with our premium derailleur hanger to restore flawless gear transitions, ensuring smooth, responsive performance for all types of terrain.derailleur hanger
  • Quick & Easy Installation: Install the derailleur hanger effortlessly with included mounting screws. Simply swap out the old one, check the alignment of your rear dropouts, and get back on the trails in no time! (Tip: Ensure rear dropout alignment to avoid damage.)
  • Essential Bike Component: A derailleur hanger is an essential part of your drivetrain system. Keep a spare on hand for emergencies to quickly fix any bent or broken hangers, minimizing downtime and ensuring uninterrupted riding.
  • Built to Last: Crafted from high-strength aluminum alloy, our derailleur hanger is corrosion-resistant, durable, and designed for long-lasting performance. Ride with confidence, knowing your derailleur hanger will withstand tough conditions.
  • Perfect Fit for Specialized Models: Designed to fit a wide range of Specialized mountain bikes, road bikes, and other compatible models. Dropout 65 Replaces:Part # 9895-4020,Part # 9895-4021. See below for a complete list of compatible bikes or check your current hanger shape for a perfect fit.
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We scanned 1385 products

We reviewed these offers relevant to the Derailleurs Parts within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like SHIMANO, TerchPilet, Yosoo Health Gear, DesertBoy, Livawnd, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Derailleurs Parts in the market, we considered we took a deep dive into 6926 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: