This Transmission drivetrain delivers reliable, precise shifting under load in a durable, rider proven package. The derailleur offers crisp performance with added protection and serviceability, while the X-SYNC cassette ensures smooth gear changes even under high power. A forged aluminum DUB crankset balances strength and value with optional removable bash guards, and the ultra-strong T-Type chain is built to handle modern trail and E-MTB torque demands.

Components Included

GX Eagle Crankset

• Forged aluminum crankarms for a strong, lightweight balance of performance and value
• Dual independently removable composite bash guards for added protectio
• Durable design that resists scuffs and trail impacts
• Optimized shape for maximum strength with minimal bulk

Specs

• Crank arm length: 165mm // 175mm
• Speeds: 12, 12s T-Type
• Chainline: 55mm
• Chainring: 32T DM
• BB Spindle Interface: DUB
• Weight: 740g
• SRAM Model ID: FC-GX-D1

GX Eagle Transmission Derailleur

• Full Mount hangerless interface for maximum strength and precise alignment
• Revised gearbox and battery position for improved impact protection
• Highly serviceable design with replaceable skid plates and outer link
• Tool-free removable cage and clutch assembly for easy maintenance and upgrades
• Steel inner cage construction for added durability in real world riding

Specs

• Speed (RD): 12
• Max tooth: 52
• Cage material: Steel
• Drivetrain Configuration: 1x
• Chain Technology: T-Type
• Weight: 470g (including Battery)
• SRAM Model ID: RD-GX-E-B1

XS-1275 Eagle Transmission Cassette

• Full X-SYNC T-Type design for smooth, precise shifting under load
• Optimized 520 percent gear range with improved low-end steps
• Designed for 55mm chainline to maintain better chain alignment
• Clearly marked Setup Cog for fast, error-free installation

Specs

• Speed (CS): 12
• Gearing: 10-52t: 10,12,14,16,18,21,24,28,32,38,44,52
• Chain Technology: T-Type
• Rear Derailleur Mount: Full Mount
• Weight: 445g
• SRAM Model ID: CS-XS-1275-A1

GX Eagle Transmission Flattop Chain

• Strongest SRAM chain ever
• Specifically engineered for Eagle Transmission
• Flattop profile, unbelievable shifting performance, game-changing aesthetics

Specs

• Speed (CN): 12
• Chain length: 126 links
• Chain connector: PowerLock 12s T-Type BLK
• Inner link finish: Chrome Hardened
• Outer link finish: Nickel
• Pin variant: Solid Pin
• Chain Technology: T-Type
• Weight: 285g (126links)
• SRAM Model ID: CN-TTYP-GX-A1

AXS Pod Controller

• Lightweight two-button AXS Pod with ergonomic click-and-fire control
• Fully customizable button functions via the AXS app
• Ambidextrous flippable design for left or right mounting
• Clean, low-profile black finish for a tidy cockpit

Specs

• Default Function: AXS - Rear Derailleur
• Clamp: Discrete
• Multi-position: Yes
• Battery size: CR2032
• SRAM Model ID: EC-AXS-POD-D1

AXS Battery

• Charges in 60 minutes or less
• Lightweight (24g) and easy to transport
• Same battery design for all AXS™ components and original SRAM RED® eTap®

Specs

• SRAM Model ID: EP-EAC-BAT-A1

AXS Battery Charger

• Easy and fast charging for your SRAM batteries
• A full charge takes up to 60 minutes to complete

Specs

• SRAM Model ID: EP-EAC-BC-A1

Technology

AXS

AXS is SRAM’s new bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.

X-SYNC

SRAM X-SYNC 1x chainrings provide the highest level of performance and durability. The SRAM X-SYNC tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC chainrings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC rings are an integral part of the SRAM 1x drivetrain. Accept no imitation.

EALGE

Eagle technology represents our newest 1x drivetrain technology. Eagle is a lighter, simpler, more durable, and easier to use drivetrain. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle technology also provides an expanded gear range of 520%, which is equal to 2x11 drivetrains.

X-DOME

X-DOME technology creates an incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life.

FLATTOP

To enable X-Range gearing technology, we developed a narrower chain. The unique link shape of Flattop technology not only allowed for a wider gear range, but also results in quieter drivetrain operation and increased chain strength and durability.

MatchMaker X INTEGRATED

The MatchMaker X clamp is more than just a clamp. It’s like having Martha Stewart tidy up your cockpit. Since each clamp accepts up to three controls, you can put everything from your XLoc suspension lockout, your SRAM shifters, SRAM brake levers and AVID brake levers as well as your Reverb XLoc remote, all on two clamps. Short of genetically engineering longer thumbs, it’s the ideal way to put everything within easy reach. Just like Martha would.