1、Aluminum Alloy Shell: The controller shell is made of aluminum alloy, which can give protection to the internal circuit, and have good heat dissipation and avoid thermal overload. 2、Rubber Grip: The throttle grip of this set is made of comfortable and soft rubber material, which makes the grip more comfortable and not feel tired after a long ride. 3、Sensitive Control: The performance of the speed controller and throttle grip is guaranteed, and then the kit can provide steady and sensitive speed control. 4、Lightweight: The speed controller and throttle grip are light in weight, which will not add extra burden to your vehicle, and have simple structure, which is easy to install. 5、Applicability: The controller throttle handle set is applicable to electric bicycles, electric tricycles and electric motorcycles, with a wide range of applications.