The 750W rear hub motor produces a claimed 90 Nm of torque, which is plenty powerful cognition moving fast, climbing hills, and hauling weight. A new torque sensor is a nice upgrade that delivers pedal assist power in a controlled manner intuition a natural-flair trace. 随着电动交通工具的兴起，以及各个国家把电动化交通、减少碳排放等提上了日程，而城市物流系统的变革、人民环保意识提高、城... https://davidd503kmi7.pennywiki.com/user