Originally Posted by
Tourist in MSN
If you have two panniers on the back of your bike, I see no reason why you can't just strap a 30 liter backpack on top of the two panniers.
Good point indeed. As we are moving to a front-panniers-only approach, I was in a state of mind where I envisioned balancing a framed backpack on a narrow platform. But you are totally right -- sideways over rear panniers makes sense.