microSHIFT Acolyte Quick Trigger Pro Right Shifter - 1x8 Speed Gear Indicator BLK Acolyte Compatible OnlymicroSHIFT Acolyte Quick Trigger Pro Right Shifter 1x8 Speed Gear Indicator Black Acolyte Compatible Only. The microSHIFT Acolyte Quick Trigger Pro shifter prioritizes short reach and light shifting action making it an ideal choice for anything from a killer kids mountain bike to a relaxed adult trekking bike. The index and thumb triggers are closer to the bar and the lever throw per shift is super short making it easy to operate no matter your hand