"It's a collection of impossible numbers on a dubious frame for $599."
The 3500W peak power and 53-mile range are theoretical maximums under ideal, separate conditions; you can have speed or range, but not both at once.
This is for tinkerers who understand they are buying a high-capacity battery and a motor attached to a starter-kit frame. It assumes the buyer is willing to inspect, upgrade, and potentially repair key components themselves.
Anyone looking for a safe, reliable, or legal vehicle for a teen or novice rider. The combination of high speed, low price, and unverified component quality is a clear safety concern.