SRAM's EX1 Trigger Shifter is equipped with SRAM technology to shift precisely, efficiently and witg maximum speed, delivering accurate shifts one at a time.SRAM's EX1 Trigger Shifter is specifically tuned for use with E-MTB bikes power assisted drivetrains, and as it’s equipped with SRAM'S X-Actuation technology, shifts are precise, fast, and efficient. It's also specifically tuned to deliver one accurate shift at a time, so you avoid over shifting to the wrong gear, thus extending your E-MTB's battery life and decreasing component wear and tear.Key Features:Recommended Group: SRAM Red eTapSpeed: 8-SpeedRecommended group: SRAM EX1Tuned for Single shifts onlyTechnology Highlights: X-Actuation, MatchMaker X