Originally Posted by
mike6024
Is the overall diameter of this rim smaller than a comparable regular 26 inch clincher rim meant for tubed tires?
No. OD is pretty much the same, as the bead is expected to fetch up against the same diameter. But a light weight, disc-specific rim can have a few mm bigger ID, on account of having lower sidewalls. Usually not by much though, as you still need a dip in the middle to have room enough to mount the tire.