Features: 100% brand new aftermarket motor brushed speed controller & throttle grip with premium quality. Providing steady and sensitive control of speed, working well on the right side of handlebar. Good grip, better and comfortable handling, . Easy installation, fit for 500W 24V/36V/48V brushed motor. Suitable for electric Bike , electric tricycles, electric scooters. Specification: Condition: 100% Brand New Material: Aluminum, Plastic Color: As Picture Shown Brushed Controller Size: Approx. 8.3 * 6.5 * 3.7cm/3.2 * 2.5 * 1.4in Voltage: 24V,36V,48V(Optional) Under Voltage Protection: 20V,32V,42V(Optional) Power: 500W Package Weight: Approx. 600g/21.1oz Application: Electric Bike , electric tricycles, electric scooters Package List: 1 * Brushed Controller 1 * Throttle Grip Note: Please allow 0-1 inch error due to manual measurement, thanks for your understanding.