GX Long Cage Rear Derailleur (10-Speed)
Best upgrade for mountain bikers seeking reliable 10-speed drivetrain versatility.
Elevate your 10-speed mountain bike with the SRAM GX Long Cage Rear Derailleur. Engineered for dependable performance, it delivers smooth and precise shifting across challenging terrain. The long cage design is a key advantage, allowing for compatibility with larger cassettes and enhancing your drivetrain's versatility. Built for durability and consistent operation, this derailleur ensures you can tackle demanding trails with confidence, offering a reliable upgrade for your off-road adventures.
$80.00
More GX Options
Owner Satisfaction
4.6
/ 5
Category Rank
417
/ 2100
#417 in Components
Price vs Category Average
-22%
Below average
Compatibility
10
/ -Speed systems
Who it's for
- Aggressive trail riders needing gear that survives rough conditions
- Mountain bikers seeking a quiet, secure ride on technical terrain
- Climbers requiring extra leverage for steep, challenging ascents
Who should skip it
- Modern cyclists wanting the latest shifting precision and gear range
- Weight-conscious racers looking to shave grams off their build
- Low-maintenance riders who prefer a set-it-and-forget-it component
Performance breakdown
Shifting Precision
Crisp, reliable gear changes even under heavy pedaling loads.
Drivetrain Versatility
Long cage geometry handles wide-range cassettes with ease.
Build Durability
Rugged construction withstands the inevitable impacts of trail riding.
Installation Ease
Straightforward setup makes for a quick, hassle-free drivetrain upgrade.
Chain Retention
Maintains consistent tension to keep the chain secure on descents.
Maintenance Simplicity
Standard adjustment points allow for quick tuning in the field.
Key Specs
Compatibility
10-Speed systems
Cage Length
Long Cage
Series
GX
Intended Use
Mountain Biking
Model Number
00.7518.080.000
Target Gender
Unisex
Features
- Smooth and dependable shifting
- Accommodates larger cassettes
- Enhanced drivetrain versatility
- Reliable mountain bike performance
- Precision engineered for consistency
- Durable construction for longevity
- Ideal for varied trail conditions
- Trusted GX series quality
What customers say
The SRAM GX Rear Derailleur is widely regarded as a reliable workhorse, offering exceptional value. Riders consistently praise its robust construction, noting its durability against harsh trail conditions. Shifting performance is crisp, precise, and dependable across the 10-speed range, even when shifting under load. The long cage design provides welcome gearing flexibility for varied terrain. While it lacks the premium finish of higher-tier models, customers feel the GX perfectly balances high-level performance and resilience. It is highly recommended as the sweet spot for aggressive riding, delivering trusted functionality without the premium cost.
Know before you buy
Yes, this model is specifically engineered for 10-speed mountain bike systems. It is designed to integrate seamlessly with standard 10-speed shifters and cassettes within the SRAM GX ecosystem.
The long cage design provides the necessary chain wrap capacity to handle larger cassette ranges. This is essential if you are running a wider gear ratio, as it ensures the chain remains properly tensioned across all gears.
Absolutely. The GX series is built for durability and is specifically intended for mountain biking. Its construction is robust enough to handle the vibrations and impacts common on varied, technical trail conditions.
Installation requires standard bike tools, including a set of hex keys and a chain tool. While the mechanical process is straightforward, you will need to adjust the limit screws and cable tension to ensure precise shifting performance.
The long cage GX derailleur is versatile enough to accommodate both 1x and 2x drivetrain configurations. Its capacity allows it to handle the chain slack generated by multiple chainrings or wide-range single-ring setups.
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