Rear Wheel Drive Electric Bicycle Hub Motor 48V 350W Conversion Kit Waterproof 55dB Noise for DIY Electric Bike Scooter

Feature: 1. Superior Material: Aluminum alloy are used to effectively improve the edge of the wheel hub, which is light and high end, comfortable and has strong bearing capacity. 2. Low Noise Operation: Electric bicycle rear wheel hub motor is designed for less than 55dB noise, realize noiseless operation, let you fully enjoy the riding pleasure. 3. Waterproof Performance: Strong and durable, fine workmanship, good toughness and good waterproof performance, provide better protection for the internal circuit, making it more durable. 4. Wonderful Riding Experience: Electric bike rear wheel conversion motor is easy to maintain, high efficiency, greatly improve riding fun, suitable for riders who like a challenge. 5. Wide Range of Uses: Rear wheel electric bicycle hub motor is widely suitable for electric bicycles, DIY electric bicycles, electric scooters, folding bicycles, etc. Specification: Item Type: Electric Bicycle Rear Wheel Hub Motor Material: Aluminum Alloy Installation Location: Rear Motor Wheel Diameter: 26 27.5 28 inches Structure: Gear Drive Rating Voltage: DC 48V No Load Speed: 325 245Rpm Rated Power: 350W Load Speed: 290 205Rpm Maximum Torsion: 45N.m Efficiency: more than 80percent Colour: Black Noise: <55dB Operating Temperature: 20 to 45 celsius Brakes: Disc brakes Open File Size: Approx. 135mm 5.3in Maximum Outer Diameter: Approx. 158.5mm 6.2in Outlet Position: Right out of the central axis Outlet length: Approx. 200mm 7.87in Gear Shift: Flywheel 6 7 8 9 speed Spoke specification: 36H x 13G. Package List: 1 x Motor1 x Cable19 x Accessories