Sram Shifter Am Sl Gx Eagle Rear Trigger LunarFeatures shift up to five gears at once to a larger sprocket clear pressure point for direct and precise gear changes extremely durable and reliable trigger can be variably mounted on clamp or Matchmaker X thanks to Multi Position intuitive operating with the thumb Specifications Groupset Series Group SRAM GX Drivetrain Speed 12 Speed Shifter Type Mechanical Handlebar Compatibility Flat Bar Gear Indicator No Shifting Method Trigger