Shimano STEPS SW-M8150-IR XT Shift Switch - Right Direct Attach To Brake LeverShimano STEPS SW M8150 IR XT Shift Switch Right Direct Attach To Brake Lever. The DEORE XT SW M8150 R shifting switch empowers quick and instinctive shifting for focused riding and racing. Take control of your ride with its adjustable paddle and easily customizable buttons. The light yet responsive button clicks over rough terrain eliminate second guessing for greater confidence and flow. Easy and intuitive access lever with short stroke for quick and