Features1Aluminum Alloy Controller Shell: The controller shell is made of aluminum alloy, which can protect the internal circuit, has good heat dissipation and avoids thermal overload. 2Rubber Throttle Grip: The throttle grip is made of comfortable and soft rubber material, which makes the grip more comfortable and not tired for long rides. 3Scope of Application: Brushed controller and throttle grip is suitable for electric bikes, electric tricycles, electric motorcycles, with a wide range of applications. 4Controller Parameters: Controller rated voltage is 48V, rated power is 500W, undervoltage is 420.5V, has stable and reliable performance. 5Throttle Twist Grip: Voltage is 14V, diameter is about 22.2mm / 0.9in, diameter is about 22.2mm / 0.9in, line length is about 150cm / 59.1in.SpecificationItem Type: Controller and ThrottleTwistGripMaterial: Aluminum Alloy, RubberColor: As Pictures ShownWeight: Approx. 397g / 14.0ozController Parameters:Rated Voltage: 48VRated Power: 500WUndervoltage:420.5VThrottleTwistGrip Parameters:Voltage: 1-4VDiameter: Approx. 22.2mm / 0.9inLine Length:Approx.150cm / 59.1inPackage List1 x Controller1 Pair xThrottleTwistGrip