Feature: 1. Premium Material: The controller shell is made of aluminum alloy, which can preserve the internal circuit, has good heat dissipation and avoids thermal overload. 2. Rubber Handle: The grip is made of comfortable and soft rubber material, which makes the grip more comfortable and not tired for long rides. 3. Replacement Repair Parts: The motor controller and throttle grip set is available as a replacement accessory to replace old or damaged parts. 4. Widely Used: This replacement kit is suitable for electric bikes, electric tricycles, electric motorcycles, universal and wide range of applications. 5. Easy Installation: The controller and handle are easy to install, convenient to operate, even for beginners, and can be used with confidence. Specification: Item Type: Electric Bike Controller Throttle Grip Kit Material: Aluminum Alloy, Rubber Gross Weight: 522g / 18.4oz Handle Caliber: Approx.22.2mm / 0.9in Controller Parameters: Rated Voltage: 48V Rated Power: 1000W Four Speed Grips: low, medium, high, overspeed . Package List: 1 x Controller 1 x A Pair of Throttle Grips