Originally Posted by
smontanaro
Flipping the caliper like that lines up its cable entry with the frame's drive housing stop.
Ah. Makes sense. I put modern side-pulls on my old Paramount, so I route the rear cable from its drive-side cable stop to the nds of the seat tube and seat stay, sort of like you're doing on the front.
Always wanted a vintage cross bike, but just to gravel grind.