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  • SRAM XX1 Eagle AXS DUB Groupset
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
  • SRAM XX1 Eagle AXS DUB Groupset Detail
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SRAMXX1 Eagle AXS DUB Groupset
$2,000.00

Item # SRM00G2

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  • Black, 170mm, 34t ($2,000.00)
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Item # SRM00G2
Description

XX1 Eagle AXS DUB Groupset

Whether you're one to wake up at the crack of dawn on the weekends to tune into the Cross Country race scene, or you just browse through the occasional mountain bike news source of your liking, chances are you've spotted SRAM's new AXS wireless mountain bike drivetrain in the media, and while we were excited when we first saw it pop up on Schurter's bike in South Africa in the early months of 2018, SRAM did an impeccable job keeping the tech on the hush-hush. Fortunately for us, the wait is over and we get to dive deep into the new SRAM XX1 Eagle AXS DUB Groupset, bringing the wireless, electronic world into our trail-tackling realm, shedding cables, and grams left and right, so you can dial in your drivetrain for the cleanest cockpit ever, and a fully programmable new feel when you're on the bike.

Since SRAM had its electronic expertise dialed with Etap, the first thing we wanted to know was just how much it had in common with its predecessor. Just like on Etap, you’ll have a fully wire-free setup, with no need to search for a spot to store your battery — simply bolt on your shifters, rear derailleur, and pair things together. That’s largely where the similarities end. Naturally, the shifters are all new, and because the demands on mountain bikes can be a bit more strenuous, harsh, and jarring, SRAM took a bit of what its designers already have learned about electronic shifting, and made some serious updates to handle the rough and rowdy conditions on the dirt. This includes a two-clutch system (we’ll get into this later), and a whole lot more torque. Etap spins at 50,000 RPM, but to get things dialed for the trail SRAM builds the AXS rear derailleur with enough torque to spin 80,000 RPM for booking it down steep and quick descents.

Compared to mechanical Eagle groupsets, the Eagle AXS derailleur has been contoured around the frame design a bit more. This translates to increased chain wrap, which improves both load distribution and durability, reducing wear and tear on your chain and cassette for better longevity of components. Dually, this new positioning offers a whole 10-millimeters of increased clearance over mechanical Eagle rear derailleurs. Speaking of clearance, the two-clutch system offers a whole new safety mechanism for when you just don’t have quite enough space, and your derailleur takes a knock. The first clutch is the traditional type-three that you’ll find in most SRAM MTB derailleurs, this keeps your chain in check and tensioned, the second is where things get exciting. The Overload clutch protects your geared motor by disengaging the motor all together in the event of impact, allowing the derailleur to move whichever direction it needs to in order to protect the motor against a rock or a low-hanging branch. As soon as the impact is over, the derailleur automatically reengages and shifts back to where you were, without skipping a beat. This built in protection gives you some serious peace of mind when you’re dropping big dollars on a groupset.

Up front in your cockpit you’ll find the AXS shifter, which uses a completely new profile with three buttons. First, there is a main paddle at the thumb that pivots up and down when you engage it. The shifter is programmed out of the box to shift into your harder gears when you press upward on the paddle, and into your easier gears with a press downward. In addition to the paddle, there’s a trigger shifter that can be accessed when you’re hammering up climbs to get into the perfect gear for your sprint. Both paddle and trigger can be fully programmed with SRAM’s AXS app, allowing you to switch what each button does, and customize how many shifts your derailleur can make when you hold down on the shifters. The shifter pairs with your rear derailleur using SRAM’s own wireless network, which they claim to be completely secure, preventing tampering with from anyone but you. With that said — the shifter also uses both Bluetooth and ANT+ to connect to head units and smart phones, which allows you to program it, view battery life, and see a maintenance schedule. If on race day you find many other derailleurs and shifters popping up on your AXS app, you need not worry. In order to adjust shifting with the app you must be physically holding your bike and pressing the shifters to make any changes to its programming, keeping your ride safe from tampering.

An ever-critical question with mechanical groupsets is battery life. All day epics packed with steep climbs and rowdy descents mean a whole lot of shifting, and can be trying on a battery, but SRAM is confident that the derailleur can run for 25+ hours from a single charge. The battery is removable, so you don’t have to bring your steed into your living room to plug it in, you can simply pop the battery off of the back, and bring it in to be charged easily with a USB device. SRAM’s AXS battery remains the same from its derailleur to RockShox Reverb AXS dropper post, so if you’re sporting both on your bike you can swap the batteries around, should one run out of juice before the other. In the front, the shifter runs off of a single watch battery, and claims to have over a year of life from a single battery, keeping maintenance low.

When things get wet we can get weary of electronics, but the Eagle AXS groupset is built with seals designed to keep things working flawlessly, whether you’re booking it across a lofty stream of snow melt, or get caught in torrential downpour at the summit. With that said, much like any other components, we don’t recommend hitting it with a jet stream to wash it, as you may be able to damage the seals.

With the small price difference between SRAM’s XX1 Eagle AXS and X01 Eagle AXS you’re likely wondering what the difference may be. While on SRAM’s mechanical groupset line you found a slight difference in performance between the two, and a major weight difference, on the AXS side of things you’ll find that the two derailleurs perform equally. The difference you will find is in weight. SRAM’s XX1 Eagle AXS group is designed for the gram-counter, the free-speed seeker, and the featherweight enthusiast looking for the lightest groupset that money can buy, fine-tuned for cross-country race machines, while the X01 group is built to be robust, and scales in with some extra weight above its feathery friend. Despite running with the addition of batteries, the cables shed with the AXS groupset awards the XX1 group with a lighter weight, scaling in well below SRAM's traditional mechanical Eagle groupsets.

  • Take on the trail without cables with SRAM's new electronic group
  • Keep you setup sleek with completely cable-free construction
  • All new shifters are fully programmable and intuitive
  • Derailleur sits with 10mm more clearance than mechanical version
  • Overload clutch disengages on impact to protect motor
  • SRAM's secure network prevents tampering with shifting
  • Carbon cranks keep thinks stiff and light in the cockpit
  • Pairs with phone or head unit for use with AXS app to program
  • Battery is removable for easy charging, can be swapped with Reverb AXS
Tech Specs
Tech Specs
Rear Derailleur
SRAM XX1 Eagle AXS
Shifters
SRAM XX1 Eagle AXS
Crankset
SRAM XX1 Eagle
Teeth
34t
Crank Arm Length
170mm, 175mm
Bottom Bracket
SRAM DUB (not included)
Chain
SRAM XX1 Eagle
Cassette
SRAM XG-1299 Eagle
Sprocket Range
10 - 50t
Recommended Use
cross-country, enduro, trail
Manufacturer Warranty
2 years

Reviews & Community

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I want to love it, but it’s flawed

  • Familiarity: I've put it through the wringer

I’ve got this group set on two of my cross country race bikes (a Specialized Epic and a Canyon Lux). When it works, it’s great. It’s fast and stable. But it’s super finicky. On both bikes, the derailleur mis-shifts in the middle of the cassette. I’ve micro adjusted. I’ve had multiple shops adjust. I still end up having to double shift and back up one to her to certain gears.

Also, one of my derailleurs started to drain the battery, but that issue appears to have been solved by a firmware update.

I expect more.

Brilliant as expected

  • Familiarity: I've used it several times

I really don't have much to say about AXS. Eagle has ruled the roost for a few years now, and SRAM has simply applied their fantastic electronic platform to the groupset. How would you like every single shift to be flawless? SRAM nailed the shifter design, and the oil slick looks sick. I really can't say anything else. I think that it's easily worth the investment, and you'll absolutely notice an improvment in your shifting performance. AXS is king!

Please reach out to me directly at jdraper@backcountry.com if you have any questions!