Aluminum Alloy Wheel Hub: Aluminum alloy wheel hub effectively improves the edge of the wheel hub. This material is light, high end, comfortable, with strong bearing capacity and has no noise during operation, so that you can fully enjoy the fun of riding. Good Heat Dissipation: The controller shell is made of premium metal material and has slot design, which has good heat dissipation and can avoid thermal overload of internal circuit. Practical Meter: When riding a bike, the multifunction meter will display many useful data on your bike, such as switch buttons, light switches, battery power display and other functions. The meter has a display, which allows you to keep abreast of the situation of your bike. High Performancem Meter: The meter is made of premium ABS plastic, which is light, sturdy and durable, fine in workmanship, good in toughness and waterproof performance, providing better protection for the internal circuit. Widely Applicable: The 24V 250W electric wheel kit is suitable for electric bicycles, DIY Electric bicycles, electric scooters, folding bicycles, etc. And the kit is easy to maintain. The high efficiency can greatly improve the fun of riding, and is suitable for people who like challenges. Item Type: Electric bike conversion kit Material: Stainless steel, aluminum alloy, ABS plastic, metal Weight: Approx. 6650g/234.6oz Motor Wheel Type: Front wheel motor Rated Voltage: 24V Rated Power: 250W Rated Speed: 25-28km/h Motor Speed: 207-270RPM Motor Torque N. M Motor Opening Size (mm):100mm/3.9in Motor Brake Type: V brake, disc brake Motor Wheel Position: Front wheel Motor Torque Arm: M14 Motor Magnetic Steel Height: 22H Number of Magnetic Steel Poles of Motor: 20 Motor Operating Temperature: Minus 20°-45° Waterproof Grade: IP65 Controller Connector Type: Ordinary connector(Except motor waterproof connector) Rated Voltage of Controller: DC 24V Rated Current of Controller: 10A Maximum Current of Controller: 20±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low level Low Voltage Protection of Controller: DC20±0.5V. 1 x Motor Wheel. 1 x Wire Protection Sleeve. 1 x Connecting Line. 1 x Control Box. 2 x Control Box Accessory. 1 x Power Sensor Wire. 2 x Brake Handle(Including Wire). Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.