• agree , that's why i am confused about the age of the frame . i try to find when they start using this tubing . I found a catalogue of 97 with a corsa 01 just wondered if there were earlier ones .

  • Perhaps by a couple of years, but not by much more.

    Campag introduced Ergo shifters in 1992 and Shimano were a little earlier.

    It would have taken a few years for them to become "standard" and for framebuilders to add those guides.

  • C record was made till 95 i think , as i have been told the deltas with black rubbers were the last version . Thinking of building the groupset on another frame ... Thx for the info

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