Features1Aluminum Alloy Controller Shell: The controller shell is made of aluminum alloy, which can protect the internal circuit, have good heat dissipation and avoid thermal overload. 2Rubber Throttle Twist Grip: The grip is made of soft rubber material for a more comfortable grip, and the hands will not be tired after long term cycling. 3High Performance Controller: Speed controller can provide stable speed, and is sensitive to braking and steering control, working smoothly and quietly. 4Easy to Use: Electric bike controller kit is designed for 48V 800W, and is easy and convenient to use. You will get a controller, two grips, a lock with two keys and a charging port. 5Wide Application: This speed controller set is widely used in various applicable models of electric bicycles, tricycles and electric scooters, electric motorcycles.SpecificationItem Type: Brushed Motor Controller KitMaterial: Aluminum alloy rubberWeight: Approx. 502g/17.71ozThrottle Grip Caliber: 22.2mm/0.87inController Parameters:Rated Voltage: 48VRated Power: 800WPackage List1 x Controller2 x Throttle Grip1 x Lock2 x Key1 x Charging Port