microSHIFT Acolyte Xpress Right Trigger Shifter - 1x8 Speed, Black, Acolyte Compatible OnlyChanging gears is a snap with the Acolyte shifter. Discrete thumb and index levers and a crystal clear gear indicator simplify shifting decisions, making each action and reaction easy to understand. And, of course, it retains the light action and positive indexing that microSHIFT has made its name on. Ergonomic trigger placement Clear and easy to read indicator Product Specifics Rear Der Shifter Compatibility: microSHIFT Acolyte Shifter Style: Trigger