Thursday , November 26 2020

SRAM Eagle cuts the cord with AXS electric wireless switch

SRAM has announced its electronic wireless mountain bike train, Eagle AXS. Almost a year ago we first saw the prototype of Nino Schurt's bike at the Stellenbosch MTB World Cup. The Eagle AXS drive will be available in XX1 and X01 specification levels and features a motor-driven backstop and a wireless gear control. There is also a new Reverb AXS drop chair post with a similar electronic wireless control that fits each other.

Eagle AXS brings a similar wireless operation and electric motor shift that is enjoyed on eTap road groups to Eagle's 12-speed mountain bike platform. The alleged benefits are many, including a strong and precise shifting experience through the motorized derailleur action, a more intuitive and energy-saving gear steering and gear cable freedom. As Eagle is a single chainring-focused drive system, only two components underwent the AXS redesigned – the rear derailleur and the shifter. All the other parts remain identical to the mechanical version of Eagle except for the new colors.


Eagle AXS XX1 vs Eagle AXS X01

At launch, Eagle AXS will be available on SRAM's XX1 and X01 specification level group sets.

The Eagle AXS XX1 The groupset employs exciting saving materials such as a carbon derailleur cage and titanium hardware and is available in an oil slick looking rainbow colorway. The XX1 group is marketed as being suitable for cross-country skiing and light skiing.

The Eagle AXS XO1 The groupet with forged aluminum cage and stainless steel hardware is said to perform better with more aggressive trail and enduro riding styles. It is available in a black and polar (powder gray) color line

The controllers appear to be similar across groups XX1 and X01.

Eagle AXS Derailleur

The Eagle AXS derailleur is the core of the new Eagle group sets. SRAM boasts that the electronic freelance driver gives the rider faster, more consistent shifts and can operate effectively under heavier loads than his mechanical counterparts.



Apart from the lack of cables jumping out the back, the battery is the most notable addition to the Eagle AXS derailleur. The battery is hot-swappable with the Reverb AXS battery and even the newly launched RED eTap AXS road groupet batteries. The battery is said to last between 20 and 25 hours depending on your switching habits. The battery is removed for charging by releasing a single clip. The charging time is supposedly one hour.

Eagle AXS derailleur has SRAM's type 3 roller bearing clutch for chain management. Due to the different dynamics and forces of mountain biking, the recently announced Orbit fluid coupling is only applied to road tracks.


Impact protection

The Eagle AXS derailleur has a smart impact protection system called Overload Clutch. In the event of a load, the motor is interrupted, which allows the latch to move more freely. This helps protect the engine system from hard forces as well as the bucket body and the attached bracket. After the impact, the latch is designed to return to the position it was in its turn, creating a hassle-free experience for the rider.

The derailleur cage is also 10mm farther from the ground than the mechanical eagle derailleur, giving more clearance to avoid colliding with objects on the track.

Eagle AXS Controller

The Eagle AXS controller throws conventional mountain bikes that change out of the window. In fact, the word controller has replaced the shifter in SRAM's marketing material. With wireless communication there are no cables, homes or wires. The result is a whole new ergonomic experience with the riders pushing the buttons on the controller to operate the lock.



The control panel touchpoints can be customized through the AXS three-function app available: indoor shift, outboard shift and drop-off activation. There is also a paddle on the front of the controller near your index knob, which can be used to make quick shifts without lifting a finger from the handlebar. SRAM marks the "secret sprint paddle".

The Eagle AXS controller is powered by a CR2032 clock battery, which according to SRAM's requirements should last most people for up to 2 years.

What is AXS?

AXS (pronounced "access" to accessibility) promises integration between SRAM's bike components, smartphones, sensors and bike computers. AXS provides this broad compatibility of devices by supporting eTAP, Bluetooth and ANT +. In addition, all AXS-enabled components will talk to each other.

SRAM AXS table.png

Replace it

SRAM's new AXS wireless system is not defined by riding types. It is happy to cut and change as the riders see fit. All components with the AXS label will be able to communicate and function with each other. This means that the Eagle AXS parts, and even the Reverb AXS drop post, will work with RED eTap AXS road components.

But there are some mechanical obstacles. The cassette, the back cover and the chain must come from the same group set. For example, you might want to build a gravel bike with an Eagle AXS derailleur, cassette and chain with RED eTap shifters on drops. ETap shifters can then control the Eagle AXS derailleur. You can even throw in a Reverb AXS drop chair post that can be activated using eTap shifters.

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AXS App 2.jpg


The AXS App allows for a deep degree of personalization via your smartphone. From the app you can change the operation of the components and controls, get maintenance reminders, update the firmware and see the battery status. The app is available for both Android and iOS.

Reverb AXS

Reverb AXS is a wireless electronic dropper insert. The position is activated by a controller similar to the Eagle AXS controller.


The new Reverb has seen some upgrades internally. A new internal floating piston and lubrication design is said to reduce friction, reduce the force needed to press the saddle and improve the actuation speed. There is also a vent valve that can be used to separate air and oil that may interfere with chambers. This improves performance and removes the crooked post without additional service.

Like all AXS components, Reverb AXS communicates with other AXS labeled parts. As mentioned before, this allows both Eagle AXS and RED eTap AXS components to control the Reverb AXS drop record.

The Reverb AXS uses a SRAM battery (the same as the Eagle AXS and Red eTap AXS) for battery discharge while the controller is powered by a standard CR2032 battery.


  • Diameter: 30.9mm, 31.6mm, 34.9mm
  • Travel: 100mm, 125mm, 150mm, 170mm
  • Lengths: 340mm, 390mm, 440mm, 480mm
  • Compatibility: Zero Offset, 7mm Circular, 7X9mm Oval Rail, Matchmaker or Discrete Clamp

EC AXS-RKSX-A1_Black_Back_M.jpg

For more details on SRAM Eagle AXS, please see the press package provided by SRAM below.

Press release: SRAM EAGLE AXS

Technology for simplicity

Eagle AXS provides an overview of the real benefits of wireless electronic shift to mountain bike. At a deeper level, the discerning riders provide outstanding personalization and drive line management. On the bike and off. Deepening of the relationship between machine and rider. This addition to the Eagle ecosystem improves capacity. Removes complexity. And give riders an experience that never before imagined.

Groundbreaking on a proven backbone

Both XX1 Eagle AXS and X01 Eagle AXS combine the proven, dedicated 1x spine of Eagle with a connected wireless electronic player and controller. With brand new entrances in the bar, starting a shift with a touch. It is a brand new derailleur that is specially designed and optimized to be motor-driven instead of cable-enabled, to really take advantage of what this allows. AXS-powered components make it possible to customize and scale to a single rider's taste via the AXS app.

The pure changing performance of Eagle AXS is the right difference maker. Change under load, over the hardest terrain, uphill or without changing your grip on the line. Eagle AXS changes your level of control on the bike when you are under pressure and pushes hard into the red. But more than that, it changes your relationship with the bike.


XC spec and ready for track. XX1 Eagle AXS uses the documented spine in SRAM 1x. With the lightest materials and a gear area of ​​500 percent. More secure and longer wearing X-SYNC2 chainring. The highlight of performance paired with the connected components of Eagle AXS. Ready for the new gene of superbikes.



  • XC Focus
  • Carbonbur
  • Titanium hardware
  • Rainbow colorway

SRAM X01 Eagle AXS

There is an element of the unknown when it comes to running new tracks and racing blind. Enduro spec follows suit. X01 Eagle AXS uses the documented spine in SRAM 1x. 500 percent gear range. More secure and longer wearing X-SYNC2 chainring. The resilium aluminum aluminum cage, paired with the connected components of Eagle AXS. Ready for the new gene supercycles.



  • Enduro focus
  • Forged aluminum cage
  • Stainless hardware
  • Black / Polar dyes

Eagle AXS Derailleur

More than a mechanical damper with a battery and a motor bolted on, the Eagle AXS derailleur is the brain of
the entire AXS system. Trim it by setting up zero rubbing, making Eagle's near-silent operation even more stealth-all while improving drive longevity.


It has a shorter cage for 10 mm more ground clearance, with more chain cap on the cartridge to sit further forward and further inwards from the mechanical Eagle. Instant switch from a single press, even during World Cup winning chain loads recorded in the race's duration and confirmed in the test lab.

Eagle AXS Controller

No cable, cabinet or wires to control opened design and engineering capabilities with Eagle AXS controller. Helps us pioneer a brand new changing experience with new ergonomic touch points that take just enough effort to hit.

EC AXS-SRAM A1_Black_Front_M.jpg

Touchpoints that are fully customizable to your preferences so you can choose which button is done through the AXS app. Choose from three functions: Indoor shift. Outdoor shifts. Drop. Use one of the touch points to control your electronic Reverb AXS drop seat post. And the power saving mode in the controller wakes up after a single tap to save battery when not in use.

The Secret Sprint Paddle

In addition to the controller's standard paddle, an included "Secret Sprint" model oriented on the front of the controller near your index node allows for quick shifts with almost no change in your handlebar grip.

Easy setup easier to use

Bolt it on. Set three limit screws. Press the pairing buttons. And go. Eagle AXS is trimmed and electronically adjusted for a perfect chain. There is no further effort to change or idiosyncrasies to learn. And AXS opens a whole new way to personalize the key interface with your bike – all controlled from your phone via a simple AXS app. Unless you are looking to put it and forget it. Because you can do it too.

A little about the battery

Yes, Eagle AXS uses a battery. One that is removable for easy charging after 20 hours of driving time *. One that only weighs 25g and can be removed with a single clip. One that is "hot swappable" if needed – from the derailleur to your Reverb AXS seat post or even your SRAM RED eTap AXS road group. And it only takes an hour to charge.

Know before you go

Checking the battery life is easy: Press the button on the derailer. Green light means that it is at or near full charge. Red light means that it is at or near half charge. And flashing red means charging it. Or throw on another because keeping an extra is easy and realistic. To extend battery life, the system goes into power save mode when the bike is stationary.


Yes, it's waterproof

The Eagle AXS system is completely water and dustproof to IP69K international standard. Initially developed for construction vehicles and food cleaning, the IP69K standard validates systems that require regular pressure cleaning. For a mountain biker, it means no hesitation in going out when the weather looks less than ideal.

Eagle AXS Impact Protection

The Eagle AXS derailleur is smart enough to protect itself. The built-in overload clutch was designed to detach on impact, return to position and switch back to gear.


The primary purpose of the overload clutch is to protect the shifter's shift motor, but it serves to protect your shovel and shovel from damage as a by-product. A very useful by-product.


  • 10 mm more cage clearance clearance
  • Type-3 roller bearing coupling
  • X-HORIZON activation
  • Overload Coupling protection


The AXS app is the built-in component software that enables both programming and customizing Eagle AXS to your specifications. Allows you to adjust and customize controller tasks for shift commands and your electronically enabled reverb drops, right from your mobile, to do exactly how you want it. Get your left controller to make shifts or downshifts.

Assign a paddle to your AXS-enabled reverb that feels most intuitive to you. For the first time, AXS introduces digital options for riders to customize, adapt, control and enhance the trip. Even when you are away from the bike. Effectively allows you to create your very own Eagle AXS "fingerprint."

Use it. Or not.

All it takes to drive is to mount the Eagle AXS drive train, pair it, and get out there. The AXS app is only required for further personalization or to access the data the system has accumulated. When you choose.

In addition to personalization.

Far beyond rider personalization, the seamless integration between AXS hardware and software communicates with your SRAM ID. Like sending service reminders when it's time to check your wear components. And so much more. Allows you to improve your bike when you don't even touch it.

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