Features1GOOD HEAT DISSIPATION MATERIAL: The controller enclosure is made of aluminum alloy, which can protect the internal circuit, possess good heat dissipation and avoid thermal overload 2WIDE APPLICATION: Suitable for electric bicycle, electric tricycle, electric motorcycle, a wide range of applications 3COMFORTABLE GRIP: The grip is made of comfortable and soft rubber material, making the grip more comfortable and not tired for a long ride 4CONTROLLER PARAMETERS: Rated voltage for 36V, rated power is 500W, undervoltage for 31.5V0.5V, very stable 5EASY OPERATION: Handle diameter is 22.2mm, as long as the controller knob interface plug into the socket of the knob can achieve the functionSpecificationItem Type: Controller Throttle Handle SetMaterial: Aluminum alloy and rubberHandle Diameter: Approx. 22mm / 0.87inController Parameters: Rated Power: 500WPackage List1 x Controller1 x Handle1 x Switch