Multipurpose: 48V 500W front drive motor without knitting circle kit suitable for lithium conversion, DIY electric, electric car, electric scooter, folding car, etc. Easy to maintain, electric booster mountain conversion conversion motor, high efficiency, greatly improve the fun of riding, suitable for cyclists who like challenges. Fine Craft: Brushless gear wheel motor choose aluminum alloy wheel rim and go through fine craft treatment, effectively enhance the edge of the wheel rim, strong bearing capacity, comfort far beyond other types of motors, to achieve noiseless, so that you can fully enjoy riding fun. Metal Shell: The controller shell is made of metal with groove design, which can protect the internal circuitry due to good heat dissipation function, thus avoiding thermal overload. GD01 Display Meter: Multiple functions make it easier for you to view the data on the panel; while riding the, the product will display many useful data on your, such as power display, backlight display, headlight display, brake display, temperature, one way time, total travel time, current speed, average speed, maximum speed, total and one way distance, 6KM/H thrust boost, cruising function, etc. Contains: lithium conversion kit contains 48V 500W front drive motor, 22A controller, GD01 meter, 130X finger paddle, booster, a pair of power off brake handle, spokes, spoke nuts and installation tools, manual. Item Type: Electric Conversion Kit Material: Stainless Steel, Aluminum Alloy, Plastic Controller Size: Approx. 120 x 50 x 30mm / 4.7 x 2 x 1.2in Motor Type: Front Drive Motor Motor Connector: Waterproof Connector (9pin) Motor Rated Voltage: 48V Motor Rated Power: 500W Motor Speed: Approx. 30-40km/h Motor Rotation Speed: 265-325 RPM Motor Torque: 60-63 N. M Motor Open Gear Size: Approx. 100mm / 3.9in Motor Matching Controller Current: 22A Motor Wheel Rims: P19D Motor Torque Arm: M14 Motor Applicable Brake Disc: Approx. 160mm / 6.3in Motor Brake Type: V Brake, Disc Brake Common Motor Position: Front Drive Motor Structure: Brushless Gear Hub Motor Motor Magnet Height: 22h Motor Magnet Pole Number: 20 Motor Working Temperature: Minus 20°-45° Controller Connector Type: Common Connector (In Addition To The 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 Controller Wire Color Definition: 1. Black Single Large Head Wire: Waterproof Motor Wire (9pin) 2. Red, Black Single Large Head Wire: Power Cable 3. Red, Blue, Black, Green And Yellow Single Row Of Five Wire Port: Instrumentation Line 4. Black And Yellow Wire (Two): Power Off Brake Line 5. Red, Black And White Wire: Throttle Finger Paddle Line 6. Brown, Black And Yellow Wire: PAS Power Sensor Wire 7. Black And Red Wire (Two): Front And Rear Light Wire. 1 x Instrument Manual. 1 x Throttle Pointer. 40 x Spoke Nut Cover. 1 x Spoke Installation Tool. 1 x User Manual. 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.