Kit Includes: Electric bicycle conversion 20 inch rear drive kit includes 36V 250W front drive 26 inch motor wheel + 15A controller + LCD8S meter + throttle dial + 8 magnetic assist sensor + power off brake lever + controller box + manual. Noise Free Riding: Brushless gear hub DC motor of the aluminum alloy rims effectively enhances the edge of the rims, making it look light, with strong bearing capacity, far more comfort than other types of motors, and achieves noise free riding. LCD8S Meter Function: While cycling, it shows a lot of useful data on your bike, such as battery display, backlight display, headlight display, brake display, temperature, trip time, total trip time, current speed, average speed, maximum speed, total one way distance, 6km/h thrust assist. Good Internal Circuit Protection: High quality metal material controller shell, plus ABS plastic material meter, light, strong and durable, with good heat dissipation function, can prevent the internal circuit, so as to avoid thermal overload. Suitable Scene: Rear drive hub motor kit is suitable for DIY electric bicycles, electric vehicles, electric scooters, folding vehicles, etc. Easy to maintain, with high efficiency, which greatly improves the riding fun, suitable for those who like challenging riders. Item Type: Electric Bicycle Conversion Kit Material: Stainless Steel + Aluminum Alloy + ABS Plastic Motor Wheel Type: Rear Drive Motor Wheel (waterproof connector) Motor Rated Voltage: 36V Motor Rated Power: 250W Motor Speed: About 25-28km/h Motor Speed: 207-270 Rpm Motor Torsion N. M: 29-31.2 N. M Motor Opening Size (mm): Approx. 135-142mm / 5.3-5.6in Motor Matching Controller Current: 15A Motor Rims: P19D Motor Torsion Arm: M14 Brake Disc for Motor: Approx. 160mm / 6.3in Motor Brake Type: V Brake, Disc Brake Universal Motor Wheel Position: Rear Wheel Motor Structure: Brushless Gear Motor Motor Magnet Height: 24H Motor Magnet Pole Number: 20 Motor Operating Temperature: -20-45? Controller Connector Type: Ordinary Connector (except motor waterproof connector) Controller Rated Voltage: DC 36V/48V Controller Rated Current: 7A Controller Maximum Current: 15±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Controller Low Voltage Protection: DC 30/40±0.5V Controller Wire Color Definition: 1. Black Single Big Head Line: Motor Line (waterproof connector) 2. Red and Black Single Big Head Line: Power Line 3. Red, Blue, Black, Green and Yellow Single Row 5Pin Port: Instrument Line (5pin) 4. Red and Blue Lines (2pcs): Power off Brake Handle Line 5. Red and Black Line: Throttle Dial Line (3pin) 6. Brown, Black and Yellow Line: PAS Power Sensor Line (3pin) LCD8S Meter Function Description: Up Button, Switch Button, Down Button, PAS Tag, Battery Capacity Indication, Power Display, Running Tag, One Way Time, Total Travel Time, Battery Voltage, Brake Display, 6km/h Thrust Assist, Riding Speed , Maximum Speed, Average Speed, Distance Traveled, Total Distance, Backlight and Headlights, Ambient Celsius, Ambient Fahrenheit. 1 x Motor Wheel. 4 x Meter Mounting Bracket Gasket. 2 x Meter Mounting Bracket Screws. 2 x Power Off Brake Lever. 1 x Throttle Dial. 1 x Assist Sensor. 1 x Controller Box. 2 x Controller Box Mounting Rings. 8 x Controller Box Screw. Pay attention to the rims opening. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. 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.