This is my city bike: https://www.giant-bicycles.com/en-us/bikes/model/escape.3/18736/76133/#specifications
Currently I use trekking bars and the MTB style shifter/brake set that came with it. If I wanted to convert it to STI brifters as far as I know all I have to swap are the bars, levers and brakes. Is that correct? I'll leave it as a 7 speed and use the tourney brifters, I'm just trying to see if I need to swap any other parts.