A California school district wanted electric bikes away from its younger students' campuses. The bikes did not necessarily disappear. Some of them moved
The issue, as I understand it, is that there are manufacturers that make electric bicycles that are artificially limited to a maximum speed limit but have a part that, if removed, would disable that limiter. The manufacturer will tell you that you should never, ever remove that part, that removing the part voids the warranty, that the manufacturer is not at fault for any injury or legal trouble you could get from riding a bike with no limiter, etc.
The issue, as I understand it, is that there are manufacturers that make electric bicycles that are artificially limited to a maximum speed limit but have a part that, if removed, would disable that limiter. The manufacturer will tell you that you should never, ever remove that part, that removing the part voids the warranty, that the manufacturer is not at fault for any injury or legal trouble you could get from riding a bike with no limiter, etc.