Find quality Electric Bicycle Brushless Hub Motor 3.high efficiency 4.good price 5 ... .For the wheel size, we have 10",12",14", 16", 20", 24", 26", , 28" available, please advise us the size of ... Hub Motor Motor Specifications: 48V/350W, High Motor Efficiency: >80% Speed:445rpm Hub Width: 110mm front or 110mm rear hub motor ... 2.5/3.5, please specify it to us; For 20", 24", the tire size is 1.75; For 26" ...