Call a Bike

Availability may be differentiated between cities providing full area coverage, and those only offering bikes at the respective Hauptbahnhof.

Full citywide coverage is provided in some of the larger cities such as Berlin, Frankfurt, Hamburg, Cologne, Darmstadt, Lüneburg, Munich and Stuttgart.

[citation needed] The system uses an electronic wheel lock and a cable lock, all controlled by embedded microcontroller with touchscreen LC display.

A set of 1024 pregenerated lock/unlock codes are unique to each bike and stored in memory.

[3] Media related to Call a Bike at Wikimedia Commons