Originally Posted by chiefsilverback

For a couple of bikepacking trips each year I need the 34T, for all my other riding I use the 42T, I know this because I spent quite a lot of time analyzing what gears I was using for all of my normal riding when the bike was still 3x9, comparing gear ratios for different cassette/chainring combos and landed on what I now have.

I have to put rack/bags etc... when I'm getting ready for a bike packing trip so it isn't that much hassle to swap the chainring, grease the bearings etc...