My hiking/bike touring system is different. I use "regular" panniers on the bike, and pack a very light silnylon pack like
this one for hiking. My camping equipment is very light and compact so I don't need much of a pack to carry it in. I would like to figure out a way to securely mount the silnylon pack directly to the bike, but that hasn't worked out too well and I think the pack is too fragile and not flexible enough for bike duty. Since it's about a half pound, that's not too much of a weight penalty to carry a separate pack.