Questions about bikes that are designed to fold or collapse for ease of storage.
General tag for bikes with some mechanism to make them smaller for easier storage at home/work, or as part of a multi-modal commute where you ride to a bus station, for example.
There are a bunch of unique quirks to each brand, so if your folding bike is one of the larger leaders like [brompton] [tern] [dahon] [bike-friday] then use that tag as well.