Sram Force AXS Rear Derailleur E1 12 Speed

AXS enabled for easy setup, personalization, and reliability Compatible with both 2x and 1x drivetrains Compatible with cassettes from 10-28t to 10-36t New Larger X-SYNC pulleys for increased efficiency Chain management technology keeps the drivetrain quiet.and secure Compatible with existing AXS batteries Largest Cog: 36 Chain Wrap Capacity (teeth): 42 Cage Length: Medium Rear Der/Shifter Compatibility: SRAM eTap AXS Drivetrain Speeds: 12 Chain Compatibility: Road Flattop D1, E1 Weight: 284g.