SRAM GX Eagle Rear Derailleur
Best reliable drivetrain upgrade for serious mountain bikers seeking consistent performance.
A reliable workhorse that balances performance and value for twelve-speed drivetrains. The updated cage geometry ensures consistent chain retention and crisp shifting, even under heavy pedaling loads, while maintaining broad compatibility with a wide range of cassette sizes.
$125.00
at
CBI Bikes
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Who it's for
- Budget-conscious riders wanting high-end performance without the premium price tag
- Mountain bikers tackling steep terrain needing maximum gear range
- Aggressive trail riders requiring durable components that survive heavy abuse
Who should skip it
- Weight-obsessed racers seeking the lightest possible drivetrain setup
- Riders sensitive to chain slap and drivetrain noise on descents
- Aesthetic-focused cyclists preferring the premium finish of top-tier components
Performance breakdown
Shifting Precision
X-Actuation technology ensures crisp, consistent gear changes across the entire cassette.
Chain Retention
Updated cage architecture keeps your chain secure even on aggressive, technical terrain.
Clutch Durability
The Type 3 clutch effectively minimizes chain slap and derailleur bounce.
Installation Ease
Cage Lock and the included gap tool make setup remarkably straightforward.
Compatibility Range
Seamlessly handles both 10-50t and 10-52t cassettes for maximum drivetrain versatility.
Build Robustness
Solid construction designed to withstand the rigors of daily trail riding.
Key Specs
Rear Derailleur Mount Type
10×1 Standard
Drivetrain Speeds
12
Cage Length
Long
Chain Wrap Capacity (teeth)
42 teeth
Largest Cog
52
Rear Der/Shifter Compatibility
SRAM X-Actuation
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