GX Eagle Transmission AXS Upgrade Kit

$96.59

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Estimated delivery dates: Dec 8, 2025 - Dec 9, 2025
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Description

SRAM GX Eagle lineups have long been the go-to drivetrain for dedicated and budget-minded riders, and it’s now available within the new Transmission family! This system retains its unwavering commitment to performance and affordability while incorporating modern upgrades for the next generation of bikes.

The GX Eagle Transmission derailleur offers the same exceptional precision and responsiveness as other derailleurs in the Transmission lineup, with the added benefits of removable skid plates for enhanced protection and easier maintenance.

Thanks to the innovative combination of X-SYNC technology and cassette mapping, the GX cassette enables seamless shifting, especially under heavy load, ensuring smooth gear transitions during the most intense power outputs. 

The GX Eagle Transmission (T-Type) chain is SRAM’s toughest chain yet. Meticulously engineered to optimize the Eagle Transmission system, this brand-new T-Type design boasts a unique flat top and solid pins, delivering unparalleled strength and durability to handle the increased torque loads of E-MTBs.

This upgrade kit provides all the components needed to elevate your drivetrain to the latest technology, while still allowing you to use your existing cranks or choose an aftermarket option.

Note: A compatible T-Type chainring is required.  Battery and charger are included!

GX Eagle Transmission AXS Upgrade Kit Specs:

Derailleur

Model: GX Eagle Transmission
Model ID: RD-GX-E-B1
Shift Technology: Wireless
Communication Protocol: AXS
Max Tooth: 52t
Cage Material: Steel
Drive Config: 1x
Chain Technology: T-Type
Weight: 470 Grams

Controller

Model: AXS Pod
Model ID: EC-AXS-POD-D1
Controller Type: Wireless
Orientation: Left, Right
Clamp: Discrete, MMX

XD Cassette

Model: XS-1275
Model ID: CS-XS-1275-A1
Freehub Interface: SRAM XD
Gearing: 10-52t
Cog Finish: Black, Silver
Technology: XS
Cog Sizes: 10-52t:10,12,14,16,18,21,24,28,32,38,44,52
Weight: 445 grams

HG Cassette

Model: XS-1270
Model ID: CS-XS-1270-A1
Freehub Interface: Shimano HG
Gearing: 10-52t
Cog Finish: Black, Silver
Technology: XS
Cog Sizes: 10-52t:10,12,14,16,18,21,24,28,32,38,44,52
Weight: 565 grams

Chain

Model: GX Eagle Transmission Flattop
Model ID: CN-TTYP-GX-A1
Outer Link Finish: Nickel
Outer Link Color: Silver
Inner Link Finish: Chrome Hardened
Inner Link Color: Silver
Chain Connector: PowerLock 12s T-Type
Chain Length: 126 links
Pin Variant: Solid Pin
Weight: 285 grams