1. 14 days refund guarantee, if the product has any quality problem, and the problem can not be solved under the guidance of engineer
  2.  30 days replacement warranty, if the product has any quality problem, and the problem can not be solved under the guidance of engineer.
  3. 90 days electric bike repairs serivce providing for free, from the date of delivery
  4. 180 days electric bike parts providing, not including battery, from the date of delivery
  5. 2 year quality warranty, provide free online guidance of engineer