I offer GoldenMotor.ua products, namely a kit for converting a motorcycle into an electric motorcycle - 5kW 72V electric bike liquid cooling. The kit includes: 1. Motor-brushless brushless motor BLDC HPM5000 (GoldenMotor) Voltage: 72V Rated power: 5-7.5kW Speed: 3500 rpm. Case: Aluminum Length (height): 126 mm Diameter: 206 mm Shaft diameter: 22.2 mm Weight: 11 kg Efficiency: 91% Keyway size: 5 mm (W) x 43 mm (L) x 19 mm (L: 22.3 mm ) 2. Sine vector controller VEC-300 72v 300A Voltage: 72V DC: 100A Phase current: 300A Dimensions: 190x180x50 mm Weight: 2.5 kg This model is designed to control the operation of a BLDC motor, or a brushless electric motor with a power of 5 kW. It is equipped with reliable protection against moisture, overload and overheating. It is installed on almost any type of electric transport: bicycles, motorcycles, cars, boats, golf carts and even tricycles. The VEC300 vector controller allows you to monitor and adjust all the parameters of the electric motor: selection and switching of the operating mode; receiving and processing data from sensors and sensors; display of all necessary data on the display; assessment of the battery charge level.