cargo electric bicycles to regularly oiled, used to like riding a bike friends should know that bike for a long time without oil, it will appear when cycling trip creak babble of voices, but after the oil, not only this voice will disappear, but also feel it will be much lighter bike ride. Electric Bikes is the same reason, we must own to ride for some time to give it oil, ensuring the protection of its running bearings, to extend its service life.
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