As someone who enjoys bicycling every now and then, I suspect a 40 kg Also TM-B hurling up a tight bicycle lane at 50 km/h can be somewhat hazardous to people on regular (unpowered and light) bicycles—not unlike a motorcycle, but obviously to a lesser degree.
For comparison, Seoul bike lanes allow pedal-assist bikes that are limited to 25 km/h and weigh no more than 30 kg (battery included), which seems pretty generous.