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- Mountain Bike Rear Derailleur Direct Mount | ...
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Item #:
90885245
Mountain Bike Rear Derailleur Direct Mount | Precise responsive shifting, Wide cassette capacity, Durable build, Multi cage lengths, Easy install for
Item #:
90885245
XCD 81
Price Details
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Imported from USA store
Order now and get it around Wednesday, September 02
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Experience precise and quick shifting performance with our versatile Mountain Bike Rear Derailleur!
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What Stands Out
Wide Compatibility
Designed to accommodate 7 to 13-speed systems, this rear derailleur ensures seamless integration with various mountain bike setups, catering to a broad audience of cycling enthusiasts.
Precision Shifting
Engineered for accurate and swift gear transitions, this derailleur enhances your riding experience by minimizing missed shifts and maximizing efficiency on rugged trails.
Durable Construction
Built with high-quality materials for longevity, the derailleur withstands harsh mountain biking conditions, providing exceptional value and reliability for serious riders.
Product Details
| Brand Name | catazer |
| Manufacturer | catazer |
| Manufacturer Part Number | BS008-A3 8Speed Long |
| Item Weight | 295 g |
| Color | A3 8 Speed Long |
| Brand | catazer |
Who Should Buy?
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Casual Riders
Ideal for occasional mountain bikers seeking dependable performance without complex features or maintenance.
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Budget-Conscious Bikers
Great for cyclists on a budget, offering versatility across multiple speeds and compatibility at an effective price.
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Entry-Level Cyclists
Perfect for beginners wanting a reliable upgrade for basic mountain bike setups without overwhelming technology.
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Competitive Racers
May lack the advanced precision and lightweight materials preferred by professionals in competitive cycling environments.
Product Description
Mountain Bike Rear Derailleur Direct Mount | Precise responsive shifting, Wide cassette capacity, Durable build, Multi cage lengths, Easy install for mtb repair upgrade
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the compatible speeds for MTB rear derailleurs?
Answer: The MTB rear derailleur is compatible with a range of speeds including 7, 8, 9, 10, 11, 12, and 13 speeds. This versatility allows you to choose the right derailleur for your specific bike setup, ensuring optimal performance across various terrains. Each speed configuration may require a different cable pull and adjustment, so it’s essential to match your derailleur to your bike's drivetrain for seamless shifting. -
Question:
How do I install an MTB rear derailleur?
Answer: Installing an MTB rear derailleur is a straightforward process but requires some basic tools and mechanical knowledge. Start by removing the existing derailleur if applicable. Attach the new derailleur to the derailleur hanger, ensuring it's securely fastened. Adjust the limit screws and cable tension to align the derailleur with your cog set, which ensures smooth and precise shifting. Practicing with a few test shifts can help fine-tune the setup before heading out on the trails. -
Question:
Can I use an MTB rear derailleur on a road bike?
Answer: While MTB rear derailleurs are primarily designed for mountain bikes, they can technically be used on road bikes, provided the speed and gearing system are compatible. It's crucial to consider the differences in design, as mountain bike derailleurs often have a different throw and may not shift accurately with road-specific shifters. If you're looking to convert a bike for varied terrains, ensuring the shift mechanism aligns will help prevent issues. -
Question:
What is the difference between clutch and non-clutch MTB rear derailleurs?
Answer: Clutch rear derailleurs feature a mechanism that applies tension to the chain, which helps reduce chain slap and keeps the chain taut over rough terrain. This improves overall shifting performance in bumpy conditions. Non-clutch derailleurs lack this feature, resulting in a more traditional design that may not handle rough trails as effectively. If you're riding in rugged environments where stability is crucial, choosing a clutch derailleur is recommended. -
Question:
What materials are MTB rear derailleurs made of?
Answer: MTB rear derailleurs are typically constructed from a combination of aluminum, carbon fiber, and durable plastics, providing a balance of lightweight performance and strength. Aluminum and carbon are used in high-stress areas for durability and weight savings, whereas plastic may be used in non-load-bearing components. The material choice impacts the derailleur's overall performance and longevity, making it essential to choose one that aligns with your riding style and conditions. -
Question:
How do I adjust the limit screws on my MTB rear derailleur?
Answer: Adjusting the limit screws on your MTB rear derailleur is essential for ensuring proper shifting. The two limit screws (high and low) control how far the derailleur can move across the cassette. To adjust, you'll need to shift to the smallest cog, then turn the high limit screw until the derailleur just clears the cog. Repeat this for the largest cog with the low limit screw. This calibration will prevent the chain from derailing while allowing smooth transitions between gears. -
Question:
What should I do if my MTB rear derailleur is not shifting properly?
Answer: If your MTB rear derailleur is not shifting smoothly, the issue could stem from several factors. Check the cable tension, which may need adjusting if it feels too loose or too tight. Additionally, inspect the derailleur alignment and ensure it’s properly aligned with the cassette. Dirt or debris can also interfere with shifting, so cleaning the derailleur and drivetrain is advisable. If issues persist, consulting a professional bike mechanic is recommended for adjustments. -
Question:
What type of riding is best suited for MTB rear derailleurs?
Answer: MTB rear derailleurs are designed for various off-road conditions, making them ideal for trail riding, cross-country, and downhill biking. The robust design and precise shifting handle rough terrain effectively, such as rocks, roots, and steep climbs. If you often ride in rugged environments or enjoy technical trails, investing in a high-quality MTB rear derailleur can significantly enhance your cycling experience. -
Question:
How can I maintain my MTB rear derailleur?
Answer: To maintain your MTB rear derailleur and ensure optimal performance, regularly clean it to remove dirt and grime that can affect shifting. Lubricate the moving parts and check for any wear or loose components. Adjust the tension and limit screws as necessary to keep the derailleur functioning smoothly. Periodic inspections, especially before and after intense rides, can help extend the lifespan of your derailleur and improve overall bike efficiency. -
Question:
Where can I buy MTB Rear Derailleurs 7/8/9/10/11/12/13S Speed Mountain Bike Rear Derailleur?
Answer: You can buy MTB Rear Derailleurs 7/8/9/10/11/12/13S Speed Mountain Bike Rear Derailleur from Ubuy. Ubuy offers a wide selection of bike components, including quality rear derailleurs suited for various speeds. By shopping on Ubuy, you can find competitive options that cater to your bike's specifications, ensuring you enjoy optimal performance on your rides.
catazer Rear Derailleurs Editorial Review
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Pros
- Compatible with multiple speeds
- Smooth shifting performance
- Lightweight and durable
- Easy to install
- Great value for the quality
Cons
- Limited color options available.
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Features & Benefits
- Lightweight design at just 295g for optimal performance.
- Compatible with multiple speeds: 7, 8, 9, 10, 11, 12, and 13 speed options.
- Tailored designs for various compatibility: MAX 34T to MAX 52T.
- Ensures quick and precise shifts for a superior riding experience.
- Works seamlessly with Shimano and other bike shifter systems.
- Ideal for mountain biking enthusiasts seeking reliability and efficiency.
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