These were being the standards the government used to legalise the rental escooters in the trials - this is an inexpensive starting place for what may perhaps be legalised (but could perfectly be amended in some way): Another aspect to consider is the braking system of an electric bike. https://voi-electric-scooter09503.tkzblog.com/27904088/what-does-electric-portable-scooter-for-adults-x7-mean