Probably not at Galaxus, but at Abus directly:
https://www.abus.com/de...

This has already been answered;
As mentioned, this is possible via ABUS directly.
The prerequisite is that you have the individual code of your existing lock to hand.
Then it is possible to order a lock with a matching key set.
Or simply a replacement key.
A good thing!

This also works with the "PitLock" system, which is also highly recommended.
In combination, this results in maximum theft protection for two-wheelers and their components (handlebars, suspension fork, saddle, wheels, etc.).

... just don't lose the key ;-)
But you can reorder it if necessary (registration is recommended if the code itself is lost).

All the best and best regards