Complete Parts: The kit contains 48V 500W front drive motor, 22A controller, S866 panel, 130X thumb throttle, power assist sensor, brake lever, spokes, and installation tools. These accessories can be used separately or in combination. Brushless Motor: Brushless gear hub motor uses aluminum alloy rims, which have been carefully processed, effectively enhancing the rim edges, making it light and high end, with strong bearing capacity, and far more comfortable than other types of motors, realizing noiseless operation, allowing you to fully enjoy the fun of riding. Controller Features: The controller shell is made of premium metal with grooved design. Due to its good heat dissipation function, it can guard the internal circuit to avoid thermal overload. Multi Data Display Panel: S866 display panel has multiple functions, enabling you to view the data on the panel more easily; When riding a bike, the product will display many useful data on your bike, 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, cruise function, etc. Wide Application: 48V 500W front drive motor kit is suitable for modification of bicycles, DIY electric bicycles, electric bikes, electric scooters, folding bikes, etc; Easy to maintain, with high efficiency, which greatly improves the riding fun and is suitable for cyclists who like challenges. Item Type: Electric Bike Conversion Kit Material: Stainless steel, aluminum alloy, plastic Controller Size: 120x50x30mm/4.72×1.97×1.18in Motor Type: Front drive motor Motor Connector: Waterproof connector (9pin) Motor Rated Voltage: 48V Motor Rated Power: 500W Motor Speed: About 30-40km/h Motor Speed: 265-325 RPM Motor Torque N. M Motor Opening Size (mm): 100mm 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: Front 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 S866 Display Instrument Function Description: Up button, switch button, down button, PAS mark, battery capacity indication, cruise function, power assist function, one way time, total travel time, accelerator display, 6km/h thrust power assist system, riding speed (metric system), riding speed (British system), maximum speed, average speed, distance (metric system), distance (British system), 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: panel 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.