SRAM GX Eagle AXS Rear Derailleur - 12-Speed Long Cage 52t Max Lunar
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GX Eagle AXS Rear Derailleur — Lunar
Wireless 1x Shifting. GX Value.
The GX Eagle AXS Rear Derailleur brings wireless AXS shifting to the GX tier — making electronic shifting more accessible than ever. The 52T max cassette capacity combined with AXS connectivity delivers precise, consistent shifts with the simplicity of a 1x drivetrain. Lunar colorway for a stealth look.
GX Eagle AXS Rear Derailleur — Key Points
- Wireless AXS electronic shifting
- 12-speed Eagle compatibility
- 52T max cassette capacity
- Long cage design
- X-HORIZON straight parallelogram
- Roller Bearing Clutch
- CAGE LOCK for easy wheel removal
- Lunar (matte black) finish
AXS Wireless
- Wireless shifting — no cables or housing
- AXS app personalization and firmware updates
- Compatible with all AXS components
X-HORIZON Design
- Straight parallelogram limits movement to horizontal axis
- Eliminates ghost shifting
- Reduced shift force
- Large upper pulley maintains constant chain gap
CAGE LOCK
- Push cage forward to create slack
- Fast, simple wheel removal and chain installation
Roller Bearing Clutch
- Eliminates derailleur bounce and chain slap
- Maintains precision under load
- Smooth, consistent performance
Specifications
Model
RD-GX-1E-A1
Speeds
12-Speed
Cage
Long Cage
Max Cassette
52T
Communication
AXS Wireless
Shift Technology
eTap Wireless
Chain Technology
Eagle
Features
CAGE LOCK, Roller Bearing Clutch, X-HORIZON
Finish
Lunar (Matte Black)
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.