My choice on the bag size (155L) was internal length. I wanted to fit the bike maint stand in it. Maint stand showed up. I was able to break it down a little and put it in a case from a folding camp chair. I agree that the maint stand is a luxury/indulgence. And . . . that's ok. If the whole thing turns into a goat rodeo, I'll be solo and there will be no witnesses or victims to my silliness!