SRAM GX Eagle AXS Rear Derailleur - 12-Speed Long Cage 52t Max Lunar
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GX Eagle AXS Rear Derailleur - 12-Speed Long Cage 52t Max Lunar

$430.00 $356.90 Save $73.10
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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 4-7 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.

 Gear & Apparel:

Outdoor Gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 5-21 business days. Please reach out to us with the most up to date deliveries times as they vary per Manufacturer. 

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.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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