SRAM XX1 Eagle 12-Speed GripShift Shifter with Discrete Clamp BlackSRAM XX1 Eagle 12 Speed GripShift Shifter with Discrete Clamp Black. The 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 TECH SPECS Rear Der Shifter Compatibility SRAM X Actuation Shifter Style Twist Drivetrain