SRAM XX1 Eagle Trigger Shifter - Rear 12-Speed Discrete Clamp LunarThe SRAM XX1 Eagle Trigger Shifter features a carbon trigger and cover for ultimate weight savings. The trigger glides on precise near frictionless sealed cartridge bearings for an exceptional feel. Adjustable carbon trigger and cover reduce weight Discrete clamp or Matchmaker X compatible Rear Der Shifter Compatibility SRAM X Actuation Drivetrain Speeds 12 Shifter Style Trigger Color Lunar Type Trigger Shifter