Features1Internal Circuit Protection: Aluminum alloy controller houisng has heat dissipation and avoids thermal overload, can provide protection for the internal circuit. 2Soft Rubber Grip: The twist grip is made of soft rubber, which makes the grip more comfortable, and you will not be tired after a long time riding. 3Scope of Applications: The brushed controller set has a wide range of applications. It is suitable for electric bikes, electric tricycles, electric motorcycles. 4Bike Modification Kits: Electric bike controller throttle grip kit including 12V 250W 8 line brushed controller, 22.2mm diameter short wire twist grip, electric door lock. 5Easy to Use: Electric bike controller throttle kit is easy to operate, just the controller handlebar interface plugged into the socket of the handlebar to achieve the function.SpecificationItem Type: Brushed Speed ControllerKitMaterial: Aluminum alloy, rubberGross Weight: 408g / 14.4ozTwistGrip Diameter: 22.2mm / 0.9inController Parameters:Rated Voltage: 12VRatedPower: 250WUndervoltage: 8.50.5VPackage List1 xController1 Pair x TwistThrottleGrip1 x Electric Door Lock2 x Keys