SRAM GX Eagle AXS Upgrade Kit w/ Rear Derailleur, Battery, and Controller Size_700x43c Can be used for MTB

Can be used for MTB / BMX

Automatic Time Calibration Yes

For RVC inner tubes

exquisite and compact

SRAM GX Eagle AXS Upgrade Kit w/ Rear Derailleur, Battery, and Controller Size_700x43c Can be used for MTBGX Eagle AXS Upgrade Kit The day in, day out Eagle ecosystem hero is now available with AXS. New for 2021, The GX AXS upgrade kit is your entry point into wireless drivetrain simplicity. Compatible with any of our Eagle ecosystem cassettes and crank arms, the upgrade kit allows you to experience AXS without needing to buy an entire groupset provided you already are using Eagle products. No matter if you are looking to upgrade your ride, or looking for