Features1Good Heat Dissipation: The aluminum alloy controller shell can give protection to the internal circuit, and has good heat dissipation, which can avoid thermal overload. 2Comfortable Grip: The rubber grip is soft, which makes the handle more comfortable to use, and your hand will not feel tired even after riding for a long time. 3Sensitive Control: The performance of the speed controller and throttle grip is guaranteed, and then the kit can provide steady and sensitive speed control. 4Durable: The speed controller is made of circuit board, which can ensure longer service life. And aluminum alloy and rubber materials are very wear resistant and durable. 5Widely Applicable: The scooter controller throttle grip kit has a wide range of applications, suitable for electric bicycles, electric tricycles, electric motorcycles.SpecificationItem Type: Electric bike controller throttle handleMaterial: Aluminum alloy, rubberWeight: Approx. 414g/14.6ozThrottle Handle Diameter: 22.2mm/0.9inRated Power of Controller: 500WController Undervoltage: 31.50.5VThrottle Handle: 1-4VPackage List1 xController1 Pair xThrottleHandle