Model: SRAM ; Color: Black ; Size: 44t Max ; SRAM AXS enabled for easy setup, personalization, and reliability ; 1x specific for use with SRAM 11-44t XPLR, 10-44t XPLR, and 10-36t cassettes ; Chain management keeps the drivetrain quiet and secure ; Rear Derailleur Mount Type: 10x1 Standard ; Drivetrain Speeds: 12 ; ; The SRAM 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.Features-SRAM AXS enabled for easy setup, personalization, and reliability-1x specific for use with SRAM 11-44t XPLR, 10-44t XPLR, and 10-36t cassettes-Chain management keeps the drivetrain quiet and secureItem Specifications-Largest Cog:44-Color:Black-Rear Der Shifter Compatibility:SRAM eTap AXS-Rear Derailleur Mount Type:10x1 Standard-Drivetrain Speeds:12-Chain Wrap Capacity (teeth):34