SRAM
BySRAM

GX Eagle Transmission Derailleur

Mid-tier Eagle Transmission derailleur with hangerless interface and AXS wireless.

$440MSRP · USD
Buy from SRAM
Drivetrain · Rear DerailleursGX Eagle Transmission DerailleurSKU RD-GX-E-B1
TypeRear Derailleurs
Disciplinemountain
Speeds12
Variants11 size or option
Weight470 gManufacturer claimed
01 / About

The GX Eagle Transmission Derailleur.

SRAM's take on drivetrain.

Mid-tier Eagle Transmission derailleur with hangerless interface and AXS wireless.

02 / Specifications

GX Eagle Transmission Derailleur spec sheet.

Everything SRAM publishes for the GX Eagle Transmission Derailleur.

01Overview
5 fields
Type
Rear Derailleurs
Discipline
mountain
Brand
SRAMExternal
SKU
RD-GX-E-B1SRAM part number
Product URL
www.sram.com/en/sram/models/rd-gx-e-b1External
02Drivetrain
7 fields
Speeds
12
Actuation
—
Subcategory
—
Power meter
—
Power meter type
—
Model line
GX
Generation
B1
03Pricing & availability
3 fields
Price
$440USD · MSRP
Availability
—
Weight
470 gManufacturer claimed
04Additional specs
9 fields
Max Cog
52
Cage Material
Steel
Drivetrain Config
1x
Min Cog
52
Compatibility
AXS
Shift Technology
Wireless
Chain Technology
T-Type
Clutch
false
Raw
{"Speed (RD)":"12","Max tooth":"52","Cage material (RD)":"Steel","Drivetrain Configuration":"1x","RD Minimum (Cassette)":"52","Communication Protocol":"AXS","Shift Technology":"Wireless","Chain Technology":"T-Type"}
03 / Variants

1 variant available.

Sizes, colors, and configurations published by the brand.

Total variants1Single configuration
#SKUAvailability
01007518163000Out of stock
04 / Reviews

From the cycling press.

8 reviews from 8 sources.

01bycyclist.comSRAM Eagle GX Derailleur Review - bycyclistJan 202602mbaction.comSRAM GX Eagle Transmission Long Term ReviewSep 202503singletrackworld.comSRAM GX Eagle Transmission Review UpdateFeb 202404cyclingmagazine.caReview: Can SRAM GX Transmission live up to the hype? - Canadian Cycling MagazineSep 202305Bike MagazineTested: SRAM GX Eagle Transmission - BikeMagJul 202306staging.off.road.ccSRAM GX Eagle Transmission first ride review | off-road.ccJul 202307bike-test.comSram GX Eagle Transmission reviewJul 202308bestbikebrands.comSRAM GX Eagle Transmission Review: The Sweet Spot of Wireless MTB Drivetrains - BestBikeBrands—