Advertising Disclosure

5 Best Derailleurs Parts of 2026

Last Updated - 2026/04/04

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SRAM

SRAM Unisex's Spare Rear Derailleur B-Bolt and Limit Screw Kit Xx1 Eagle Gold Hex5 Service & Spare Part, One Size

SRAM

CA$44.00

More Details
Main highlights
- Package Weight: 21 grams
- Package Dimensions (L x B x H) in cm: 1.6 x 10.6 x 11.1
- Item Package Quantity: 1
- Country of origin:- Taiwan
CA$44.00
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SHIMANO

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

SHIMANO

CA$33.71

More Details
Main highlights
- Shimano RD-TY300 6/7-speed rear derailleur with mounting bracket
- SIS Rear index shifting.
- Max Sprocket 34T & Min Sprocket 11T.
- Bracket fit (under wheel nut).
- Advanced light action design
CA$33.71
3
Best Value
28% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

CHMEFLY
28% Off

CHMEFLY RD-TY21B 6/7 Speed Bike Rear Derailleur Direct Mount for Mountain Bicycle MTB, Road Bikes, Folding Bicycle

CHMEFLY

CA$15.09

CA$20.85
(28% Off)

More Details
Main highlights
- 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.
- Please feel free to contact if you have any questions, we will provide quality service.
- MODEL:RD-TY21B Bike Rear Derailleur compatible with 6/7 speed SIS Index Shifting drivetrains.Suitable for MTB,mountain bikes, road bikes, folding bicycles etc.
- High-quality material:This bike rear derailleur is made of high hardness aluminum alloy, sturdy and durable, not easily deformed and not easily damaged,And the speed change is more stable.
- Easy to install and remove, convenient to use. This bike rear derailleur is direct mount, not hub bolt mount. Please check the mount type of the original part before ordering.
CA$15.09
CA$20.85 (28% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KIEVODE

KIEVODE Derailleur Hanger for Cannondale Catalyst, Forray, Rush, Trail SL, 29, 27.5, Kids Trail 24 - Replacement Hanger Part #KP284 for Rear Derailleur - for Mountain Bikes, Road Bicycles, and MTBs

KIEVODE

CA$8.19

More Details
Main highlights
- PREMIUM-QUALITY MATERIALS: Crafted from premium-grade aluminum alloy, our derailleur hanger offers exceptional strength, durability, and corrosion resistance for long-lasting performance.
- PRECISE SHIFTING: A worn or damaged derailleur hanger can significantly impact your bike's shifting performance. By replacing it with this hanger, you can restore smooth and precise gear shifting, allowing you to confidently tackle any terrain and improve your bike's overall performance.
- PERFECT FIT: Designed specifically for Cannondale Catalyst, Forray, Rush, Trail SL, 29, 27.5, Kids Trail 24, etc bikes, including Part Numbers #KP284, as well as other models with the same shape, ensuring a precise and secure fit. (please refer to the product description for a complete list).
- ESSENTIAL SPARE PART: The derailleur hanger is a critical component of your bike's drivetrain system. Having a spare hanger on hand ensures you can quickly replace a damaged or bent hanger, minimizing downtime and keeping you on the trails.
- EASY INSTALLATION:The derailleur hanger comes with the necessary mounting screws, making installation a breeze. Remove your old derailleur hanger and replace it with our compatible one to get your bike back on the trails in no time. Note: Before installation, check rear dropouts for alignment to prevent breakage or bending of the derailleur hanger.
CA$8.19
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic

1Set 11T Bike Ultralight Aluminum Alloy Outdoor Bearing Wheel Rear Derailleur Pulleys Bicycle Parts-Red Derailleur Pulleys Useful and Nice

Generic

CA$4.56

More Details
Main highlights
- We love our customers, your satisfaction is our top priority, if you have any questions, please contact us, we will try our best to solve any problems you encounter.
- Screw hole for rear gear: 8.9MM
- Please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.
- Gland hole size: 0.5cm
CA$4.56

5 Best Derailleurs Parts of 2026

SRAM Unisex's Spare Rear Derailleur B-Bolt and Limit Screw Kit Xx1 Eagle Gold Hex5 Service & Spare Part, One Size

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

CHMEFLY RD-TY21B 6/7 Speed Bike Rear Derailleur Direct Mount for Mountain Bicycle MTB, Road Bikes, Folding Bicycle

KIEVODE Derailleur Hanger for Cannondale Catalyst, Forray, Rush, Trail SL, 29, 27.5, Kids Trail 24 - Replacement Hanger Part #KP284 for Rear Derailleur - for Mountain Bikes, Road Bicycles, and MTBs

1Set 11T Bike Ultralight Aluminum Alloy Outdoor Bearing Wheel Rear Derailleur Pulleys Bicycle Parts-Red Derailleur Pulleys Useful and Nice

You may also like...

SM SunniMix Solid Bike Rear Derailleur Direct Mount/Hanger Mountain Bicycle 6/7/8 Speed Long Cage Derailleurs Replacement for Bikes Refit Repairing - Hanger Hook Type

Derailleur Pulley,11T Aluminum Alloy Lightweight Smooth Operation Bike Guide Roller,2Pcs for Cyclists Mountain Bikers Road Bikes Maintenance

Micro Traders 2X Bicycle Rear Mech Derailleur Hanger with Bolt Fitting Black Tailhook Drop Out Adapter for Mountain Bike Replacement Parts

Universal Bike Chain Tensioner for Single Speed & Fixed Gear Bicycles, Rear Derailleur Stabilizer with Adjustable Spring Mechanism, Easy Install Cycling Parts for Smooth Ride

Bike Gear Shifter - 7 Speed Derailleur , Rear Derailleur | Galvanized Iron Gear Shifter , Easy Install Gear Hanger , Gear Shifting Mechanism for Mountain Road Bikes and Hybrids

Black Bike Rear Gear Mech Derailleur Hanger with Bolt Fitting Aluminum Alloy Tailhook Dropout Adapter for MTB Bicycle Replacement Parts

2pcs Derailleur Pulley, Aluminum Alloy 11T CNC Derailleur Wheel Guide Pulley Set Cycling Parts (Red)

KIEVODE Derailleur Hanger for Specialized Demo, Enduro, Epic, Era, Hardrock, S-Works, Stumpjumper 65, Rockhopper, Big Hit - Replacement Hanger Part for Mountain Bike, Road Bicycle Rear Derailleur

SRAM Force22 Braze-On Front Derailleur

2pcs Derailleur Pulley, Aluminum Alloy 11T CNC Derailleur Wheel Bicycle Guide Pulley Set Cycling Parts (Black)

Sign up and get exclusive special deals