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- Extra Long MTB Road Bike Rear Derailleur Hang...
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Item #:
73849209
Extra Long MTB Road Bike Rear Derailleur Hanger Extender Extension with M10 Screw for 34-52T Cassette Kit
Item #:
73849209
SCR 315
Price Details
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Imported from USA store
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Order now and get it around Thursday, July 16
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Easier to adjust in place and increase shift speed.
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What Stands Out
Compatibility Range
Designed for 34-52T cassette systems, this extender enhances the versatility of your mountain bike, ensuring smooth shifting and optimal performance across a wide gear range.
Durable Construction
Crafted from high-quality materials, this extender guarantees long-lasting reliability and withstands the rigors of off-road cycling, offering superior resilience and performance under tough conditions.
Easy Installation
Equipped with an M10 screw, this extender allows for hassle-free installation, enabling cyclists to quickly adapt their bike setup without the need for special tools or extensive mechanical knowledge.
Product Details
| Brand Name | COONIUM |
| Manufacturer | COONIUM |
| UPC | 710050742903 |
| Item Weight | 11 Grams |
| Color | Black |
| Material Type | Aluminum |
| Case Material Type | Aluminum |
| Mount Type | Braze-On Mount |
| Number of Teeth | 86 |
| Brand | COONIUM |
| Material | Aluminum |
| Mounting Type | Braze-On Mount |
Who Should Buy?
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Mountain Bikers
Ideal for mountain bikers needing to accommodate large 34-52T cassettes for better climbing and gear options.
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Bike Modifiers
Perfect for enthusiasts customizing their bike's drivetrain for enhanced performance and compatibility with wider gear ratios.
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Casual Commuters
Great for casual bikers who want to upgrade their bike’s gear range for varied riding terrains in their commutes.
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Road Cyclists
Not suitable for road cyclists primarily using standard cassettes below 34T due to potential compatibility issues.
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Race-Specific Bikes
Less ideal for competitive race bikes that require a lightweight setup without additional derailleur extensions.
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Beginners
May overwhelm novice cyclists unfamiliar with bike modifications, who should focus on basic riding skills first.
Product Description
Extra Long MTB Road Bike Rear Derailleur Hanger Extender Extension with M10 Screw for 34-52T Cassette Kit
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of a rear derailleur hanger extender for my mountain bike?
Answer: A rear derailleur hanger extender is designed to elevate and reposition the rear derailleur to accommodate larger cassettes. By extending the hanger, cyclists can use cassettes ranging from 34 to 52 teeth, enhancing gear range and efficiency. This is particularly beneficial for riders tackling steep hills or varied terrains, as it allows for smoother shifting and better chain alignment. For example, if you’re transitioning from road riding to mountain trails, this extender will help adapt your bike's drivetrain to more challenging conditions. -
Question:
Is the M10 screw included with the rear derailleur hanger extender?
Answer: Yes, the Extra Long MTB Rear Derailleur Hanger Extender comes with an M10 screw included in the kit. This screw is essential for securing the extender to your bike frame, ensuring a stable and reliable installation. The M10 size is standardized for most bike frames, making it compatible with a variety of mountain bikes. When installing, make sure to follow the instructions carefully to ensure a proper fit and optimal performance. -
Question:
Can I install the hanger extension myself, or do I need a professional?
Answer: You can typically install the hanger extension yourself if you have basic tools and mechanical knowledge. The process involves removing the existing derailleur, attaching the extender, and reinstalling the derailleur. Detailed instructions are usually provided with the product, making it more accessible for those comfortable with bike maintenance. However, if you are uncertain, consulting a professional mechanic can assure correct installation to prevent shifting issues. -
Question:
Will this extender work with any bike model?
Answer: While the Extra Long MTB Rear Derailleur Hanger Extender is designed for mountain bikes, compatibility may depend on your specific bike model and frame design. It's essential to check the specifications of your bike's derailleur hanger and ensure that it can accommodate an extender. Most modern mountain bikes will work well, especially if they are designed for wider cassettes. If in doubt, refer to your bike manufacturer's guidelines or seek further information from the seller. -
Question:
What are the benefits of using a longer derailleur hanger?
Answer: Using a longer derailleur hanger allows for greater clearance and compatibility with larger cassettes. It helps prevent the chain from rubbing against the frame during gear shifts, enhancing performance and longevity. Additionally, this provides smoother transitions between gears, which is particularly beneficial in tough riding conditions like steep climbs or technical descents, allowing for a better riding experience overall. -
Question:
Is the extender compatible with 1x and 2x drivetrain systems?
Answer: Yes, this rear derailleur hanger extender is compatible with both 1x and 2x drivetrain systems. The extender is designed to accommodate the increased tension and angles presented by both configurations, allowing you to effectively utilize larger cassettes whether you have a single or double chainring setup. This flexibility is ideal for riders who might experiment with different drivetrain configurations. -
Question:
What material is the rear derailleur hanger extender made of?
Answer: The Extra Long MTB Rear Derailleur Hanger Extender is typically made from high-quality aluminum alloy. This material is renowned for its combination of strength and light weight, ensuring that while the extender provides the necessary support for larger cassettes, it does not add unnecessary bulk to your bike. The durability of aluminum also helps to withstand rugged trails and challenging conditions. -
Question:
What should I look for when choosing a derailleur hanger extender?
Answer: When choosing a derailleur hanger extender, consider compatibility with your bike model, the quality of materials, and the ease of installation. Ensure the extender allows for sufficient clearance based on your cassette size and is made from robust materials like aluminum or steel for longevity. Reading user reviews can also offer invaluable insights into performance and satisfaction, which can guide your decision. -
Question:
Where can I buy the Extra Long MTB Road Bike Rear Derailleur Hanger Extender in Seychelles?
Answer: You can purchase the Extra Long MTB Road Bike Rear Derailleur Hanger Extender with M10 Screw at Ubuy. Ubuy offers a wide selection of cycling accessories, including this specific extender, ensuring quality and reliability for your biking needs. With their online platform, you can easily browse options, compare, and make informed decisions while shopping from the comfort of your home. -
Question:
How do I know if I need a derailleur hanger extender?
Answer: You may need a derailleur hanger extender if you are upgrading to a larger cassette beyond your bike's original specifications, especially if you have difficulty shifting or notice issues with chain alignment. If you're frequently riding on steep terrains or looking to improve your gear range, it might be a sign to invest in an extender for enhanced performance. Additionally, if you're experiencing chain rubbing, it's a clear indicator that an extender could help resolve these shifting problems.
COONIUM Derailleur Hangers Editorial Review
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16 June 2026 · via Trustpilot
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SCR 315
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Features & Benefits
- Designed for MTB and road bikes.
- Accommodates larger 34-52T cassette.
- Made of lightweight AL 7075 aluminum alloy.
- Hollow design weighing only 11g.
- Includes M10 screw for easy installation.
- Available in anodized red and black options.
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