Jun. 4—The Owensboro Convention Center was a motorcycle enthusiasts dream Saturday as motorcycle builders, parts designers and body artists filled the facility for the River City Bike & Tattoo Expo.

There are a lot of cool motorcycles in ’80s sci-fi movies. The light cycles from TRON. The amazingly goofy flying bikes from Megaforce. You can even count the speeder bikes from Return of the Jedi. It ...