On the trail, the goal is to think about your shifting as little as possible. microSHIFT&';s Trail Trigger Pro features millimeter-perfect ergonomics to put the shift levers exactly where you want them, giving you quick thumb access without compromising your grip over rough terrain. Light lever action is paired with super positive indexing to make sure you never miss a shift. There&';s even an integrated silicon gripter on the lower lever to make sure thumb traction is fully optimized. Compatible with microSHIFT ADVENT X 10-speed drivetrains only Silicon gripter pad provides superior traction in all conditions Internal cartridge bearings allow for light lever throw and positive actuation under load Precise ergonomics put the shift lever where you want them