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The SRAM XX1 Eagle AXS Upgrade Kit may not make sense to a rider who hasn't experienced electronic shifting. Why would you need that? Well, one ride on an AXS-equipped bike and you'll get it. You might not be able to stop thinking about it, actually: SRAM's AXS™ system eliminates so many of the pesky problems associated with traditional derailleurs. This system sets up in an instant, trims itself, and gives you tens of thousands of shifts per charge--all fully customizable through the AXS App. The result of nearly a decade of R&D, the future of drivetrains is here.
SRAM AXS™ Eagle Rear Derailleur – With a carbon cage, overload clutch, and the proven backbone of SRAM Eagle™ architecture, this is the most advanced rear derailleur in the history of cycling-kind. Instant shifts, a small form factor, and extremely lightweight, the AXS™ XX1 rear derailleur is a marvel of engineering.
Eagle AXS™ Controller – No cable, housing or wires helped pioneer a completely new shifting experience. Allowing you to choose which paddle does what through the AXS™ App. Choose from: Inboard shift. Outboard shift. Dropper.
Includes Battery and Charger