Front drum brake backing plate. Most commonly (though not exclusively) applies to gas and electric powered scooters as well as smaller motorized products. This assembly includes the backing plate, brake shoes, actuator cam, spring and lever. Brake shoe 90A5035 works with this assembly. Commonly used by most of the popular brands (Ecoped part number for example is CITY-45/GO/PUL11/ODE-C000-16). Fits many Gio and Tao Tao scooters as well as others.