Kit Contains: Electric bike conversion kit includes 36V 500W front drive motor, 22A controller, S866 meter, 130X thumb throttle, power assist sensor, a pair of power off brake handle, spokes, spoke nuts and installation tools, instruction manual. Premium Motor: Brushless gear hub motor is made of aluminum alloy wheel rim with fine craft treatment to enhance the edge of the wheel rim, light weight, strong bearing capacity, better comfort and no noise. Fast Heat Dissipation: The bike controller adopts metal shell with grooves design to provide fast heat dissipation, which can guard the internal circuit and thus avoid thermal overload, stable and reliable. Multi Display: S866 display meter contains data such as power, backlight, headlight, brake, temperature, one way time, total travel time, current speed, average and maximum speed, total and one way distance, 6KM/H thrust assist. Application: 36V 500W front drive motor wheel kit is suitable for DIY electric bikes, folding bikes, mountain bikes, etc. Easy maintenance, high efficiency and improved riding pleasure. Item Type: Electric Bike Conversion Kit Material: Stainless Steel, Aluminum Alloy, Plastic Controller Size: Approx. 120 x 50 x 30mm / 4.72 x 1.97 x 1.18in Motor Type: Front Drive Motor Motor Connector: Waterproof Connector (9pin) Motor Rated Voltage: 36V Motor Rated Power: 500W Motor Speed: About 30-35km/h Motor Speed: 265-325 RPM Motor Torsion N. M Motor Opening Size (mm): Approx. 100mm/3.9in Motor Matching Controller Current: 22A Motor Rim: P19D Motor Torsion Arm: M14 Motor Applicable Brake Disc: Approx. 160mm/6.3in Motor Brake Type: V Brake, Disc Brake Universal Motor Location: Front Drive Motor Structure: Brushless Gear Hub Motor Motor Magnet Height: 22H 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 Maximum Current: 22±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level S866 Display Meter Function Description: Up Button, Switch Button, Down Button, PAS Mark, Battery Capacity Indication, Cruising Function, Power Assist Function, One Way Time, Total Travel Time, Throttle Display, 6km/h Thrust Assist System, Riding Speed (Meter), Riding Speed (Imperial), Maximum Speed, Average Speed, Distance (Meter), Distance (Imperial), Travel Distance, Total Distance, Battery Voltage, Brake Display, Backlight and Headlights. Controller Wire Color Definition: 1. Black Single Big Head Wire: Waterproof Motor Wire (9pin) 2. Red and Black Single Big Head Wire: Power Wire 3. Red, Blue, Black, Green and Yellow Single Row Five Wire Port: Meter Wire 4. Black and Yellow Wires (Two): Power Off Brake Handle Wire 5. Red, Black and White Wires: Thumb Throttle Wire 6. Brown, Black and Yellow Wire: PAS Power Assist Sensor Wire 7. Black and Red Wire (Two): Front and Rear Light Wires. 1 x Motor Extension Cable. 1 x Meter Manual. 2 x Power Off Brake Handle. 1 x Thumb Throttle. 1 x Power Assist Sensor. 40 x Spoke Nut Covers. 1 x Spoke Installation Tool. 1 x Instruction Manual. Manual measurement, please allow some errors. 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.