The key thing is that it's a powered vehicle and the rider is in charge of it, regardless of attachment methods. It will be subject to motor vehicle laws or quite likely not be allowed on the road at all.
The testing agency would be the arbiter of that, every motor vehicle anywhere in Europe having to have type approval, and that includes e-bikes. Type approval application is made either by the manufacturer or an individual under the single vehicle scheme.
The testing agency would be the arbiter of that, every motor vehicle anywhere in Europe having to have type approval, and that includes e-bikes. Type approval application is made either by the manufacturer or an individual under the single vehicle scheme.