Complete Parts: The kit contains 48V 500W rear drive motor, 22A controller, GD01 panel, 130X thumb throttle, power assist sensor, brake lever, spokes and installation tools. Hub Motor Features: Brushless gear hub motor is made of aluminum alloy rims, which have been carefully processed, effectively enhancing the rim edge. With strong bearing capacity, the performance is far superior to other types of motors, achieving quiet operation, allowing you to fully enjoy the fun of riding. Metal Controller: The controller housing is made of metal and has grooved design. Due to the good heat dissipation function, the internal circuit can be protected to avoid thermal overload. Multi Function Panel: GD01 display instrument has a variety of functions, enabling you to more easily view the data on the panel, such as power display, backlight display, headlight display, brake display, temperature, one way time, total travel time, current speed, average speed, maximum speed, total one way distance, 6KM/H thrust boost, etc. Wide Application: 48V 500W rear drive motor kit is suitable for lithium battery modification of bicycles, DIY electric bikes, electric scooters, folding bikes, etc; It is easy to maintain. These accessories can be used separately or in combination. Item Type: Electric Bike Conversion Kit Material: Stainless steel, aluminum alloy, plastic Controller Size: 120x50x30mm/4.72×1.97×1.18in Motor Type: Rear drive motor Motor Connector: Waterproof connector (9pin) Motor Rated Voltage: 48V Motor Rated Power: 500W Motor Speed: About 35-45km/h Motor Speed: 265-325 RPM Motor Torque N. M Motor Opening Size (mm): 142mm Motor Matching Controller Current: 22A Motor Rim: P19D Motor Torque Arm: M14 Brake Disc For Motor: 160mm Motor Brake Type: V brake disc brake universal Motor Position: Rear drive Motor Structure: Brushless gear hub motor Height of Motor Magnetic Steel: 22H Pole Number Of Motor Magnetic Steel: 20 Motor Operating Temperature: – 20? To 45? Connector Type Of Controller: Common connector (except motor waterproof connector) Rated Voltage Of Controller: DC 36V 48V Maximum Current Of Controller: 22 ± 1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low level GD01 Display Instrument Function Description: Up button, switch button, down button, PAS mark, battery capacity indication, power assist function, one way time, total travel time, accelerator display, 6km/h thrust power assist system, riding speed , riding speed (British), maximum speed, average speed, distance , distance (British), travel distance, total distance, battery voltage, brake display backlight and headlights. Definition of Controller Line Color: 1. Black single big head wire: waterproof motor wire (9pin) 2. Red and black single big head cable: power cable 3. Red blue black green yellow single row five line port: instrument line 4. Black yellow wire (two): power off brake handle wire 5. Red black white line: accelerator dial line 6. Brown black yellow wire: PAS power assist sensor wire 7. Black red lines (two): front and rear light lines. 1 x Motor Extension Wire. 1 x Panel Instruction. 2 x Power Off Brake Lever. 1 x Thumb Throttle. 1 x Power Assist Sensor. 1 x Power Assist Sensor Magnet. 40 x Spoke Nut Cap. 1 x Spoke Installation Tool. 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.