Simple mechanical push button built into the starter solenoid end cover replaces or supplements the handlebar starter button.Does not affect of the handlebar button.Installs as a backup system or custom starter control, allowing starter activation without a handlebar-mounted switch.Bypasses the stock relay when used.Constructed from aluminum with antioxidant treatment.Includes mounting screws.Requires 2.0 mm hex wrench for installation (wrench not included).Compatible with Sportster and Big Twin models from 1991 to 2018.Fits OEM starters part number 17762 and 1.2/1.4 kW aftermarket starters, except Compu-Fire.Color: Black.