Shimano rs685 hydraulic brakeshiftershimanos rs685 hydraulic brakeshifters are precision engineered to offer powerful hydraulic braking and are designed for use with shimanos road bike specific hydraulic disc brake calipers they provide effortless 11 speed shifting as their shift operation is designed to follow the natural arc of your hand the rs685 levers will help you ride in all day comfort and be able to fly down the descents with increased confidence features polymer coated shift cabl