DUOTTS N26 - Frame Number and Motor Number

Your bike has two unique serial numbers on the frame and on the motor.
As shown in the picture.
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Please find the serial numbers stamped on your bike and keep records yourself.
The
motor number and frame number will be the proof of purchase for DUOTTS to honor
the warranty.
Also,
if an electric bike is stolen, you can provide the frame number for law enforcement.
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