Link to OP's pics https://drive.google.com/file/d/1dkE...QNseamjjz/edit

The Columbus tube decal on fork indicates Columbus SLX/SPX/TSX and no older than 1988. I don't think it would extend past the early 1990s. Ciocc model names often varied by market and this one my be bon-USA based on the absence of a pump peg, so I'll defer on the model. Is the rear spacing 126mm or 130mm? You should check the insides of the tubes at the BB shell junction to verify if they have the five helical ridges indicative of SLX/SPX/TSX. With SLX/SPX the ridges only extend about 10cm up into the down tube but on TSX they are the full length. Based on the size of frame it shouldn't be SPX but his can be determined from the seat post diameter. SPX would use 27.0mm, while SLX and TSX use 27.2mm