Originally Posted by
fietsbob
That may or may not save space, but certainly worth exploring.
I've noticed that canti pads tend to be long and skinny, while caliper pads tend to be short and fat. So, it is also possible that those pads are not particularly designed for cantis.
One advantage of road pads is that they woudn't extend between the seatstays or fork blades, if that is an issue.