You picked about the most expensive option, there’s quite a few that are fine for commuter bikes, but cost substantially less. The Shimano Alfine series for exa

You picked about the most expensive option, there’s quite a few that are fine for commuter bikes, but cost substantially less. The Shimano Alfine series for example. But except for the Rohloff, they all have a smaller gear range than a derailleur, so there are tradeoffs.