Di2 is way out of my budget range sadly haha, and well to clarify this is my first road/gravel bike getting into the hobby so I'm not looking for top performance (whole build is to have something nice to ride around town, to push myself physically on some nearby hill stretches and to have the flexibility to swap out tyres for more rougher terrain exploring the countryside), but I do appreciate not having to mess around tuning gears to wits end just to get reliable shifting.

Even if I likely won't fully utilize the benefits of going with hydro brakes my preference lies with them as they're what I'm used to dealing with coming from a heavy MTB background. I was unsure about whether I'll be needing a clutched derailleur but considering that I'll primarily be riding on paved surfaces to begin with I think I'll cross that bridge when I get there. It sounds like rear derailleurs are have limited lower/upper teeth ranges that they work with? So I suppose I'll need to keep that in mind if I do swap it.

I ended up pulling the trigger on that Shimano groupset + drivetrain combo last night so thanks for the heads up that it'll probably have issues fitting the frame that's really good to know. What causes it to not fit? I know you said it's because it doesn't go lower than 34 but what changes fitment wise between say 34 and 32?