This repository has the data sets of the cities of Bonn and Cologne for the entire year 2021. There are:
- 56492 JSON files for the city of Cologne
- 56690 JSON Files for the city of Bonn
The data was downloaded by me through the public interface of Nextbike.
https://maps.nextbike.net/maps/nextbike-official.json?list_cities=1