Brand new and high quality. 15 wheel type rear hub motor, 500W power high speed, bigger than normal motor. Made of high quality material, and practical to use. Used to replace the electric bicycle rear HUB motor. Support 60V 48V , 500W. 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 60V/48V 60V , 36hole spoke (options). 1x 15type high speed motor. 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.