Krakow has a hybrid system like this which seems to work well. The docks are just dumb metal, and the bike has u-lock with which you can equally well lock it to

Krakow has a hybrid system like this which seems to work well. The docks are just dumb metal, and the bike has u-lock with which you can equally well lock it to a street sign. Locking a bike anywhere away from a dock costs you a little extra, and there is a bounty for rescuing such bikes... but most of them live at the docks, so you know where to go to get one. If the dock is full you can lock it anywhere nearby too. Edit: https://en.wavelo.pl/ https://en.wavelo.pl/