Competitive CyclistNew · Checked Sep 20, 2026, 5:22 AM
$440.00In stockVisit store
Rear derailleurs
SRAM SRAM GX Eagle Transmission Derailleur
AM RD GX TTYPE EAGLE AXS
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Jenson USANew · Checked Sep 20, 2026, 3:23 AM
$440.00In stockVisit storeBackcountryNew · Checked Aug 31, 2026, 1:28 AM
$440.00In stockVisit storeCatalog trust
Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Sep 2, 2026
- Compatibility review
- Reviewed Sep 2, 2026
Approved technical sources
- RD-GX-E-B1 official current product and exact package evidenceManufacturerSource checked Aug 28, 2026Evidence reviewed Aug 29, 2026
- RD-GX-E-B1 reviewed AXS compatibility systemManufacturerSource checked Aug 28, 2026Evidence reviewed Aug 29, 2026
Technical data
Specifications
- Speeds
- 12-speed
- Maximum cassette cog
- 52T
- Supported front chainrings
- 1
- Drivetrain family
- SRAM Eagle Transmission Axs 12
- Compatible chain families
- T-Type
- Shift actuation
- Electronic
- electronicShiftSystem
- SRAM Eagle Transmission Axs 12
- compatibleElectronicShiftSystems
- SRAM Eagle Transmission Axs 12
- electronicConnectionMode
- Wireless
- Frame mounting
- Full Mount (UDH)