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  • SRAM - X01 Eagle AXS DUB Groupset - Boost - Black
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  • SRAM - X01 Eagle AXS DUB Groupset - Boost - Black

SRAM X01 Eagle AXS DUB Groupset - Boost

$1,900.00

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    • Black, 170mm, 32t
      $1,900.00
    • Black, 175mm, 32t
      $1,900.00

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    1 Review

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    X01 Eagle AXS DUB Groupset

    Chances are, if you follow cross-country mountain bike race scene, you’ve already seen a few of SRAM’s riders sporting the new AXS Groupset. We first spotted it on Schurter’s bike in South Africa in the earlier months of 2018, and despite the fact that it’s been on the trails for a good amount of time, the details on the tech have managed to remain on the hush-hush. Finally, our patience has been rewarded, and after five-years in the making, SRAM is releasing its X01 Eagle AXS DUB Boost Groupset for all of us to get our hands on.

    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 X01 Eagle AXS group is built to be much more robust, holding up to more demanding terrain and trying conditions, and as such it’s got a few extra grams above the XX1 model, which is designed to dominate the cross country race scene. Despite the addition of batteries, both the X01 and XX1 AXS groupsets scale in below the traditional mechanical Eagle groupsets.

    • SRAM's sleek electronic groupset takes to the trail
    • 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
    • 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
    • Item #SRM00G5

    Tech Specs

    Rear Derailleur
    SRAM X01 Eagle AXS
    Shifters
    SRAM X01 Eagle AXS
    Crankset
    SRAM X01 Eagle DUB, BOOST
    Teeth
    32t
    Crank Arm Length
    170mm, 175mm
    Bottom Bracket
    SRAM DUB (not included)
    Chain
    SRAM Hard Chrome with Flow Link
    Cassette
    SRAM XG-1295 Eagle
    Sprocket Range
    10 - 50t
    Recommended Use
    cross-country, enduro, trail
    Manufacturer Warranty
    2 years

    Tech Specs

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    Zero wires = in heaven

    • Familiarity: I've put it through the wringer

    Road bikes have had electronic shifting for years now and it's about time us dirt shredders got some of the technology. Zero wires! True wireless electronic shifting is a dream! This made for the easiest setup on a new bike you could ever have. The shifting is so smooth and the battery lasts a good amount of time. The battery is removable, small, and you can buy extras if you need to. The remote is programmable and doesn’t have the long lever throw that a cable lever would. I placed this on my SB130 and it just worked! The derailleur shifts great, even under torque while also being almost silent. Lastly, the derailleur will move out of harm's way if you do end up laying your bike on its side. If you are looking to put AXS on your trail or enduro bike, X01 is the best option. It is a little more rugged than the XX1 version. Once you go wireless, you will never go back.