Used mixed 2x11 MTB drivetrain set. Includes Shimano XT 170 mm crankset with 36/24T chainrings, SRAM X01 10-42T cassette, SRAM GX rear derailleur, SRAM GX front derailleur, SRAM X7 left shifter, SRAM XX1 right shifter, and chain. Everything is fully functional and suitable for someone looking for a complete 2x11 MTB drivetrain setup.