Sturdy Electric Bike Motor Hub 3648V 350W Brushless Rear Wheel Hub Motor. Brand new and high quality. Made of high quality material, and practical to use. Used to replace the electric bicycle HUB motor. Support 36V 48V, 250W, 350W. Easy to use and install, Good compatibility. Color: Black (As Pictures Show). Rated Efficiency(%):>=80. Wheel Size (inch):16”20”24”26”27.5”28”29”700C. Size : approx 36V/48V 350W 250W , 36hole spoke (options). The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Please kindly note that. Also, the each additional item means. The the same color and size. Transit time may be a little delayed because of the. If you have any questions.