Features1CONTROLLER SET: Brushed motor controller and handle kit, applicable to DIY electric bicycles, electric tricycles, electric motorcycles, etc. 2EASY CONNECTION: 48V 500W brush controller, with multiple connectors, can be used after accurately connecting the throttle handle. 3METAL HOUSING: The controller shell is made of aluminum alloy, fast heat dissipation, avoiding heat overload and protecting the internal circuit. 4RUBBER HANDLE: The handle is made of rubber material, which is soft and comfortable, and will not be tired even if you ride for a long time. 5EASY INSTALLATION: The diameter of the handle is 22.2mm, easy for installation and replacement, reasonable size, meeting the needs of most people.SpecificationItem Type: Bike Controller KitMaterial: Aluminum Alloy, RubberHandle Diameter: Approx. 22.2mm / 0.9inController Parameters: Rated Power: 500WPackage List1 x Controller1 Pair Handles2 x Keys