Shimano saint m820 1x10 speed trigger shifter advanced dh ergonomics including longer levers 5mm and textured paddles combine with low friction ball bearings to reduce shifting effort on this gravity specific shifter designed specifically for shadow plus and vivid indexing these shifting enhancements reduce base shifting effort by up to 37 so that on trail shift effort is as light as ever instant effortless shifts create a whole new paradigm for the most durable gravity ready drivetrain