This modern and energetic name is well suited to a transport, travel or automotive brand.
The name "SegwayCity" has 10 letters and four syllables. Four syllable names are used by established brands like ESPN, Airbnb and Panasonic.
Segwaycity.com is a dot-com domain. Dot com domains are the most desirable domain extension in the world, famously used by websites like youtube.com. Owning a dot-com says that you own the word "SegwayCity" online.