Just got some more info on how this frame was set up!
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700c wheels. It was a six speed indexed setup with Shimano 600, and downtube shifters. Recessed mount brakes. It had a 170mm SR crank with a square taper loose ball BB. Italian threading, of course, and a 27.2 seat post. Post was not in good shape and is short. Headset seems OK, but I havn't taken it apart. Will have the original seat post binder bolt. There are guides for the brake cable brazed on the top tube, and there are braze-on shifter mounts on the down tube.