Something like this: https://www.vanmoof.com/news/en-GB/166517-vanmoof-launches-electric-bike-that-doesn-t-need-a-lock https://www.vanmoof.com/news/en-GB/166517

Something like this: https://www.vanmoof.com/news/en-GB/166517-vanmoof-launches-electric-bike-that-doesn-t-need-a-lock https://www.vanmoof.com/news/en-GB/166517-vanmoof-launches-e... Not easy to retrofit though.