Cycle camping or camping-camping?
Everything seems to revolve around being warm, fed and clean at that age!
Mine were blissfully happy in a bike-trailer, but as young as 5 months they need to be very well supported. by about number 3 we got a Chariot trailer with a sort of hammock which worked really well. The first two made do with lots of cushions and stuff.
A cheap tarp was a blessing, to make an instant free-of-the-mud spot for crawling around in less salubrious stops. I'm thinking of a very dog-doo ridden site in France.
By 5 months we were supplementing with formula, and maybe some pureed stuff (memory fades). We had a big tupperware pot for the powder, and that was much easier to pack and more robust than the containers it's sold in. We also had a small pot divided into 3, that would take 3 pre-measured doses. With that and a thermos of hot water, you could produce a feed very quickly, which made for happy babies.
Oh, yes - we had a container that we put Milton tablets into with the bottles and teats and shook (again, memory fades). You can see how feeding entirely from Mum simplifies things though!
I remember we had to very quickly readjust our notion of a sensible mileage between stops, so a good map of nearby campsites, though that's probably on your phone now I guess.
Plenty of wipes and Sudocreme, and those single-dose sachets of Calpol were really handy to have as a backup too.
Too many suggestions, but I hope something above helps.
