SRAM Eagle AXS Drivetrain

SRAM's wireless electronic 12-speed mountain bike drivetrain available in XX1, X01, GX, and NX tiers. Motor-driven rear derailleur on a detachable 25g battery rated for approximately 20 hours. Supports 520% gear range with 10-50t or 10-52t cassettes. Shift behavior customizable via the SRAM AXS app.