1.Strong Practicality: Brushed controller throttle grip set can be applied to electric bikes, electric tricycles, electric motorcycles, and has a wide range of applications. 2.Good Heat Dissipation: E bike brushed controller shell is made of aluminum alloy, which can preserve the internal circuit, good heat dissipation and avoid thermal overload. 3.Rubber Grip: Throttle twisting grips are made of comfortable and soft rubber material, making the grip more comfortable and not tired for long rides. 4.Ease of Use: Brushed DC motor speed controller kit is easy to use, easy to connect and install, no complicated procedures required. 5.Ideal Replacement: Brushed controller with throttle grip can be used to replace old broken ones and is very practical. Item Type: Brushed Controller Throttle Grip Set Material: Aluminum Alloy, Rubber Turning Diameter:Approx. 22.2mm / 0.9in Controller Parameters: Rated Voltage: 36V Rated Power: 350W Undervoltage: 31.50.5V Throttle Grip: 1-4V Three Speed Handlebar: Low Speed, Medium Speed, High Speed Forward and Back Buttons: Support 1 x Brushed Controller 1 x Throttle Grip(Pair)