Feature: 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, non-slip. Easy installation, fit for 500W 24V/36V/48V brushed motor. Suitable for electric bicycles, electric tricycles, electric scooters. Specification:Condition: 100% Brand NewMaterial: Aluminum, PlasticColor: As Picture ShownBrushed Controller Size: Approx. 8.3 x 6.5 x 3.7cm/3.2 x 2.5 x 1.4inVoltage: 24V,36V,48V(Optional)Under Voltage Protection: 20V,32V,42V(Optional)Power: 500WPackage Weight: Approx. 600g/21.1ozApplication: Electric bicycles, electric tricycles, electric scootersPackage List:1 x Brushed Controller 1 x Throttle Grip Note:Please allow 0-1 inch error due to manual measurement, thanks for your understanding.