Makes your riding more convenient and safer, and provides convenience for your riding. This controller can make your riding more stable and improve your riding comfort. 48V 1500W powerful electric motor, which will provide you with strong forward power. Strong and durable, long service life. Wheel type: rear wheel. Motor: brushless and gearless. Rim: Alloy double wall. Power: 1500W/48V or 250W/48V. Spoke: Steel, 12G×2.6mm. Maximum speed: 34 mph or 16 mph (55km/h or 25km/h). Wheel size: 26 inches. Net weight: 11.16kg. Axle: 210 x 10mm. Part Type:Conversion Kit. Compatible Bike Type:Universal. Note:Battery and charger are not included in package. Electric Bike Part Type:Conversion Kit. Brake Type:Hand Brake. Type:bike conversion kit. Model:bike conversion kit. 1 x Brushless Gearless Motor Rear Wheel. 1 x Intelligent Motor Controller. 1 x Pedal Assist Crank Sensor. 1 x Cable Ties & Plastic Coil. 1 x Pair of Handle Bars (included Twist Throttle). 1 x Pair of Brake Handles. 1 x Wire Hub.