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Sram Eagle 90 E-MTB Brose groupset
Sram

Sram Eagle 90 E-MTB Brose groupset

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Features of Sram Eagle 90 E-MTB Brose

Product description of Sram Eagle 90 E-MTB Brose groupset

Description summary

Discover mechanical shifting perfected for E-MTB with the SRAM Eagle 90 Brose groupset. Featuring a robust, fully rebuildable Full Mount derailleur and a T-Type cassette with X-Sync, it delivers flawless shifts even under maximum load. The forged aluminum crankset and premium single-click shifter offer a direct, tactile feel, while a revolutionary, guess-free setup process makes installation a breeze. This is the ultimate upgrade for durability, performance, and an unparalleled ride experience on your UDH-compatible E-MTB

Mechanical shifting at it’s best. Eagle 90 delivers the dream, and then some. Featuring the same Full Mount derailleur architecture as it’s AXS Transmission siblings, it is unquestionably robust. And for the just in case, the derailleur body features replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly, making it the most rebuildable derailleur we’ve ever built. At the heart of the system is a sleek and sturdy forged aluminum E-MTB crankset, with a drive-unit specific T-Type chainring. Shifting under load is a signature of Eagle Transmission, and this is made possible on 90 with an XS-1275 T-Type cassette that features full X-Sync technology, and a premium double-click T-Type Actuation mechanical shifter. For those inclined to DIY, mechanical Eagle Transmission has a revolutionary simple four step setup procedure Prepare. Hang. Tighten. Route. Featuring no limit screws, no b-tension, and no guesswork. Built to take you as far as your imagination and body will allow, Eagle 90 Transmission provides riders with an unparalleled ride experience.

Features:

- Hangerless Interface (UDH) frame compatibility only.
- SRAM/Brose and Bosch specific chainring and crankset offset variants with “Gap Cap” for a seamless between crank and ring. Includes clip-on guard.
- Eagle 90 shift lever features stealth architecture, and MMX compatibility for seamless pairing with SRAM brakes. Cockpit tidying Shift Housing/Brake Hose clip included.
- Shift lever is built with modern shift ergonomics and a premium textured aluminum lever touchpoint.
- Dedicated single-click variant required for E-MTB use.
- XG-1275 features 10-52t range and full X-SYNC technology for best inboard and outboard shifting performance under load.
- Full Mount Eagle 90 derailleur is the most rebuildable Eagle Transmission derailleur, with replaceable B-Knuckle, Inner/Outer Links, Bash Guards, Bushings, Cage, and Cage Assembly.
- Includes GX Eagle Transmission Flattop chain with solid pins, fully approved E-MTB use.

Specifications:

- Rear Derailleur: Eagle 90
- Shifter Right: Eagle 90
- Crank: Eagle 90 ISIS
- Crank arm length: 165mm
- Chainring: 36T DM
- Guard Included: Yes Aeroguard
- Chain: GX T-TYPE 126
- Cassette: XS 1275 T-TYPE 10-52

Specifications

Manual

Technical specifications of Sram Eagle 90 E-MTB Brose

  • Cassette

    Xs 1275 T-Type 10-52

  • Chain

    Gx T-Type 126

  • Rear Derailleur

    Eagle 90

  • Shifters

    Eagle 90

  • Crankset

    Eagle 90 Isis

  • Color

    Silver

  • Recommended Use

    MTB Cycling

  • Recommended Use

    E-bikes

  • Electronic

    No

Features of Sram Eagle 90 E-MTB Brose

Color Silver

Color

Silver

Recommended Use MTB Cycling

Recommended Use

MTB Cycling

E-bikes

E-bikes

Electronic No

Electronic

No

Key differentiators

Designed specifically for E-MTB use with a dedicated single-click shifter.

Engineered for UDH (Universal Derailleur Hanger) compatible frames only.

Features a robust, fully rebuildable Full Mount derailleur for enhanced durability and serviceability.

Includes a 12-speed XS 1275 T-Type cassette with a wide 10-52T range.

T-Type cassette with full X-Sync technology allows for smooth, reliable shifting under maximum load.

Technology in Sram Eagle 90 E-MTB Brose groupset

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Sram Eagle 90 E-MTB Brose groupset

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Include AI Generated questions and answers

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Is the Sram Eagle 90 E-mtb Brose Groupset designed for electric mountain bikes?

Answer of Generated by AI and verified

Yes, this groupset is specifically designed for E-MTB use. It features components like a forged aluminum E-MTB crankset and is intended for both E-bikes and MTB cycling.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Is this a wireless electronic shifting system?

Answer of Generated by AI and verified

No, the Sram Eagle 90 E-mtb Brose Groupset is a mechanical shifting system. It does not feature wireless or electronic shifting.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

What material is the crankset made from?

Answer of Generated by AI and verified

The crankset included in this groupset is made from a sleek and sturdy forged aluminum, designed for the demands of E-MTB riding.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Is the Sram Eagle 90 E-mtb Brose Groupset worth the investment for e-MTB users?

Answer of Generated by AI and verified

The Sram Eagle 90 E-mtb Brose Groupset offers robust performance with its Full Mount derailleur and T-Type cassette, making it a valuable upgrade for e-MTB riders seeking durability and precision.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

What is the gear range of the cassette in this groupset?

Answer of Generated by AI and verified

This groupset includes an Xs 1275 T-Type cassette with a 10-52 tooth range, providing a wide spread of gears for various E-MTB terrains.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

How many speeds does the Sram Eagle 90 groupset have?

Answer of Generated by AI and verified

The Sram Eagle 90 E-mtb Brose Groupset is a 12-speed system, designed for precise shifting across its wide-range cassette.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

What is the crank arm length and chainring size?

Answer of Generated by AI and verified

This groupset comes with a 165mm crank arm length and is equipped with a 36T chainring.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

What shifting technology does this groupset use?

Answer of Generated by AI and verified

This groupset utilizes Sram's Eagle and X-Sync technologies. The T-Type cassette with full X-Sync is designed to deliver flawless shifts, even under the maximum load typical of E-MTB riding.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Can this groupset handle shifting under the high torque of an e-bike motor?

Answer of Generated by AI and verified

Yes, a key feature of this groupset is its ability to shift smoothly under load. The T-Type cassette with full X-Sync technology is specifically designed to manage the high torque from an e-bike motor, ensuring reliable shifting performance.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

What type of frame is this groupset compatible with?

Answer of Generated by AI and verified

The Sram Eagle 90 E-mtb Brose Groupset is compatible only with frames that feature a Hangerless Interface, also known as UDH (Universal Derailleur Hanger).

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Is this groupset compatible with SRAM brakes?

Answer of Generated by AI and verified

Yes, the Eagle 90 shift lever features MMX compatibility, which allows for seamless pairing and a clean cockpit setup with SRAM brakes.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Sram Eagle 90 E-MTB Brose groupset

Does this groupset include a chainring guard?

Answer of Generated by AI and verified

Yes, this groupset includes a clip-on guard, referred to as an Aeroguard, for the chainring.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Upgrading an E-Mountain Bike for All-Round Trail Riding 100% Fit

This groupset is specifically designed for E-MTB use, providing a reliable upgrade for riders looking for solid performance on varied trails. The wide 10-52t cassette range is ideal for tackling both steep climbs and fast descents, offering versatile gearing for any situation.

Intended Use: E-bikes, MTB Cycling,Cassette Range: 10-52,Chain Compatibility: E-MTB use,Technology: Eagle

Building a Custom E-MTB for Technical Terrain 90% Fit

For riders building a custom E-MTB, this groupset offers a robust foundation with its forged aluminum crankset and proven Eagle technology. The inclusion of an Aeroguard and X-Sync technology ensures reliable chain management and shifting performance, even under load on technical sections.

Material: forged aluminum,Guard Included: Yes Aeroguard,Technology: X-Sync,Crankset: Eagle 90 ISIS

Replacing a Worn Drivetrain on a Brose-Powered E-Bike 80% Fit

As a complete groupset designed for Brose E-MTB systems, this serves as a comprehensive replacement for a worn or outdated drivetrain. It provides a matched set of components, including a 12-speed shifter, derailleur, and wide-range cassette, ensuring compatibility and restoring smooth shifting performance.

Product Name: Sram Eagle 90 E-mtb Brose Groupset,Speed: 12-speed,Cassette: Xs 1275 T-Type 10-52,Rear Derailleur: Eagle 90

Enhancing Climbing Capability on an E-MTB 85% Fit

Riders looking to improve their E-MTB's climbing performance will benefit from the 12-speed drivetrain and its expansive 10-52t cassette range. This setup provides the lower gears necessary to maintain cadence and traction on long, steep ascents, making challenging climbs more manageable and enjoyable.

Cassette Range: 10-52,Speed: 12-speed,Chainring Teeth: 36T

Best for

Best for E-MTB Riders

This groupset delivers exceptional shifting performance under load thanks to its 12-speed drivetrain and X-SYNC technology, ensuring reliable control when it matters most.

A Reliable Upgrade for Regular Trail Riders

With its robust forged aluminum crankset and wide 10-52t cassette range, this groupset offers a balanced and reliable performance boost for frequent riding.

Ideal for Recreational E-Bike Riders

The Eagle 12-speed system provides smooth, intuitive gear changes, maximizing riding pleasure and fun on varied terrain without added complexity.

Great for the Mechanical Purist

This groupset combines SRAM's proven Eagle and X-Sync technologies in a high-performance mechanical package, offering precise shifting and robust durability.

Benefits

FunctionalBuilt for the Demands of E-MTB

Engineered specifically for the rigors of E-MTB and mountain biking, this groupset offers robust construction. The crankset is made from forged aluminum, described as sleek and sturdy, ensuring it can handle demanding trail conditions.

intended_use: E-bikes

MTB Cycling

FunctionalExpansive Gearing for Varied Terrain

This groupset provides a wide gearing spread to handle diverse mountain biking landscapes. The XS 1275 T-Type cassette features a 10-52t range, offering a broad selection of gears for tackling both steep climbs and fast descents.

cassette: Xs 1275 T-Type 10-52 (Cassette: Xs 1275 T-Type 10-52)

cassette_range: 10-52 (XG-1275 features 10-52t range)

Ideal buyer profiles

The E-MTB Rider

This rider is dedicated to getting the most out of their electric mountain bike. They prioritize components that offer reliable, crisp shifting and robust construction to handle the demands of aggressive trail riding and the extra torque from an e-bike motor.

This groupset is an excellent match, featuring a durable forged aluminum crankset and a 12-speed, 10-52t cassette with X-SYNC technology. This combination ensures precise inboard and outboard shifting performance, even under the high-load conditions typical of e-MTB riding, enhancing both control and riding pleasure.

The Recreational E-Bike Rider

This individual enjoys hitting the trails on their e-bike for fun, fitness, and adventure. They want a dependable groupset that works smoothly without constant adjustment, allowing them to focus on the ride and the scenery rather than the mechanics.

With its straightforward Eagle 90 shifters and a wide 10-52t cassette range, this Sram groupset provides the simplicity and versatility needed for enjoyable recreational rides. It's specifically designed for e-bikes, ensuring components work together seamlessly for a fun and hassle-free experience on the trails.

The Upgrader

This rider is knowledgeable about bike components and is looking to upgrade their e-MTB with a proven, high-quality mechanical groupset. They appreciate the specific engineering that goes into e-bike components and seek a system that integrates perfectly with their Brose motor setup.

The Sram Eagle 90 E-mtb Brose Groupset is purpose-built for this application. It features an ISIS crankset compatible with Brose systems, a chain designed for E-MTB use, and X-Sync technology for superior chain management. It represents a significant, technically sound upgrade for riders seeking reliable mechanical performance.

Competitive features

When selecting a groupset for your E-MTB, the Sram Eagle 90 E-MTB Brose Groupset stands out for its focus on robust mechanical performance. Unlike electronic shifting systems that require batteries and complex integration, this groupset provides a direct, tactile shifting experience perfected for the high-torque demands of electric mountain biking. It's specifically designed for Brose motor systems and UDH-compatible frames, offering a durable, rebuildable solution. Compared to other Sram Eagle 90 variants, the key difference lies in its compatibility with the Brose motor platform, whereas alternatives are tailored for Bosch, SRAM/Brose ISIS, or non-electric setups.

Where it excels

Durability and Serviceability: Featuring a robust, fully rebuildable Full Mount derailleur with replaceable links and skid plates, this groupset is built for longevity and easy maintenance, a key advantage for aggressive E-MTB use. Shifting Under Load: The combination of a T-Type cassette and X-Sync technology ensures flawless, reliable shifts even under the maximum power output of an E-MTB motor. Tactile Mechanical Feel: With a premium single-click shifter and forged aluminum crankset, it delivers a direct and responsive feel that many riders prefer over electronic systems.

Consider alternatives if...

Motor System Incompatibility: This groupset is specifically for Brose motor systems. If your E-MTB uses a Bosch, SRAM, or another brand's motor, you will need to consider a different model, such as the Sram Eagle 90 E-MTB Bosch Groupset. Desire for Electronic Shifting: For cyclists who prioritize the latest technology, customization, and the convenience of electronic shifting, this mechanical groupset may not be the ideal choice. These buyers might prefer an AXS Transmission system. Non-E-MTB Applications: While it shares technology with other Eagle groupsets, its design is optimized for E-MTBs. Riders on standard, non-electric mountain bikes should look at options like the Sram Eagle 90 T-type DUB Boost groupset.

Verdict

The Sram Eagle 90 E-MTB Brose Groupset is an excellent choice for E-MTB riders with Brose-equipped, UDH-compatible bikes who value durability and the reliable, tactile feedback of mechanical shifting. Its design prioritizes robust performance under load and serviceability over the electronic features found in other high-end groupsets. While it offers a premium experience, its specific compatibility means riders with different motor systems or those seeking electronic integration should explore other options in the Eagle ecosystem.

Specs comparison

Favorite On Favorite Off
Materialforged aluminumforged aluminum
Intended UseE-bikes, MTB CyclingE-bikes, MTB Cycling
ChainGx T-Type 126Gx T-Type 126
Rear DerailleurEagle 90Eagle 90
CassetteXs 1275 T-Type 10-52Xs 1275 T-Type 10-52
CranksetEagle 90 ISISEagle 90 ISIS
ElectronicNoNo
Guard IncludedYes AeroguardYes Aeroguard

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Materialforged aluminumaluminumcarbonsteel
Intended UseE-bikes, MTB CyclingMTB CyclingMTB CyclingMTB Cycling
ChainGx T-Type 12612-speed12-speed12-speed
Rear DerailleurEagle 90Shimano--
ElectronicNoYesYesYes
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