Mercury - Zero Effort Digital Control (Shift/Shift, Port Mount) Remote Control 8M0085615. OverviewThis Zero Effort control keeps shifting simple with a two-lever layout dedicated entirely to gear changes. Both levers have the same smooth, steady feel, so you can shift by touch without second-guessing anything-handy when the water's rough or you're running hard. The clear anodized knobs add a clean look without being flashy. Mounted on the port side, it fits the way many performance and race setu