1. Check the appearance to see if the surface of the paint and electroplated parts are
in good condition.
2. Operate according to the manual and check the working status of the whole vehicle.
The speed adjustment transition should be smooth, without shock at the start, and the
wheels should rotate flexibly。
It is lively and has no sense of stagnation. The wheel hub turns softly without
abnormal noise. The brakes should be moderately tight and reliable.
3. Also check whether the auxiliary functions (such as power display, speed, mileage
display, etc.) of the model are in normal state.
4. Whether the supporting accessories, charger, certificate, manual and warranty card
are complete.