When we can design a derailleur specifically for a 12-speed 1x drivetrain, we can do amazing things. The Apex XPLR AXS rear derailleur fits wide-range cassettes with 36T or 44T large cogs and incorporates a spring clutch for flawless chain management on or off-road. Innovative and intuitive eTap shift logic and AXS connectivity keeps Apex delightfully distraction-free. - AXS enabled for easy setup, personalization, and reliability - 1x specific for use with 11-44T XPLR, 10-44T XPLR, and 10-36T cassettes - Chain management keeps the drivetrain quiet and secure
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