Battery powered bike uses no power switch structure

Battery powered bike uses no power switch structure, human riding speeds greater than 6 km / h in order to rotate the governor power to the motor, when the wheel stops rotating automatically power, easy to use, energy saving. Battery powered bicycles generally use soft start to exercise, safe and comfortable, which can effectively improve the continued line mileage and battery. Is a relatively common sports, fitness and leisure products, both relax and exercise, has become the new darling of leisure.