First Look: SRAM Eagle AXS electronic drivetrain

Electronic, wireless shifting comes to Eagle 1x 10-50 drivetrains


Mondraker Foxy equipped with SRAM AXS electronic wireless drivetrain.

Editor’s Note: This post was written by Mtbr contributor Andrew Yee, who runs Cyclocross Magazine. A modified version was originally published on

Eagle AXS

SRAM released its Eagle 12-speed mountain bike drivetrain three years ago, and has since been focused on bringing the 12-speed mountain bike drivetrain to lower price points in the form of the GX and NX lines.

Today, with the launch of X01 and XX1 Eagle AXS, SRAM has gone the other way by adding two new high-end Eagle options. With electronic Eagle AXS, it also has opened up the world of pairing Eagle’s 10-50 12-speed cassette with drop bar shifters.

There are three new AXS 12-speed electronic derailleurs, one Red and an XX1 and X01. SRAM RED eTAP AXS and Eagle AXS unveiled. © A. Yee / Cyclocross Magazine

Just as with Shimano, SRAM’s electronic mountain bike derailleurs will work with the new electronic road shifters, with some exceptions. Pair one of the two rear derailleurs with an Eagle cassette and eTap shifters and you’ve got an incredibly wide-range 1x adventure setup. (Don’t try to pair an Eagle AXS rear derailleur with RED eTAP front derailleur, SRAM warns).

Eagle AXS flat bar shifter. SRAM RED eTAP AXS and Eagle AXS unveiled. © A. Yee / Cyclocross Magazine

Eagle AXS fortunately relies on many existing components from the mechanical drivetrain. If you’re on a budget but want electronic shifting, you could pair an NX-level cassette, chain, crankset and chainring with a new Eagle AXS rear derailleur and the SRAM AXS shifters of your choice and you’re ready to go.

SRAM Eagle AXS uses the same chain, cassette, crankset and chainrings as the mechanical Eagle groups. You could cut costs by mixing in GX or NX components with the Eagle AXS components. © A. Yee / Cyclocross Magazine


About the author: Mtbr is a site by mountain bikers for mountain bikers. We are the best online resource for information for mountain bikers of all abilities, ages and interests.

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