What Does The Serial Numbers Do? Where To Find Them On The Bike?

The serial numbers are very important information to register the A.O.G. and are also the basis for ordering accessories.
You can find them below:
Bike serial number: Engraved on the headtube/bottom bracket(around the left crank)
Motor number: Engraved on the motor （Please be aware of the M-5600 mid-drive motor, which does not have a motor number.）
Battery number: Engraved on the battery