Hi, I have this frame with Bianchi decals that I am struggling to identify. I have looked through all Bianchi catalogs from the 80s and 90s that I could find, but I have not yet found an exact match. The only models I have found that have internal brake cable routing that both enters and exists at the top of the top tube are high end models with Bianchi engravings, but this frame has none. When I got it it had a groupset consisting of Shimano RX100 and Exage. Stem was 3TTT Record and handlebar was 3TTT Competition. Seatpost was Selcof. Could very well be something else than a Bianchi. I don’t mind, I just want to know what it is😅 Any help would be appreciated🙏