Originally Posted by Burton

But since someone brought up the Arkel brand - maybe this is a good time to do some direct comparisons as an example because before buying the Voyagers that I currently have, I spent about an hour in the rack / pannier section physically taking apart and testing several different models. The two finalists were the Voyager and an Arkel Bug Convertable both 25 liter and convertable to a backpack.
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So the Arkel flunked my requirements simply because the `convertable` part was largely an afterthought and the shoulder harnesses were neither well padded, nor adjustable and lacked the sternum / hip attachments that were on the Voyager. In addition the rain cover was optional on the Arkel and an additional $19.00. The overall build quality of the bag didn`t impress me either.

And even though it doesn`t fit every rack I own and doesn`t have fancy adjustable hardware - it fits every rack I use and does everything I bought it for. Because during the spring detachable fenders aren`t compatable with any rear mounted rack so that bag gets used a lot on my back anyway.