• Brian Oblivion, er, Sheldon Brown says 26.8 but there's some bikes with 27.2, though this is rarer.

    So, I suppose it's best to ask another Colombo owner that seatpost they take and what identification (serial, BB type) it has?

    Isn't DA on a low end model unusual?

  • Thanks for the information.

    DA on low end is unusual, indeed. But with a bike that's approx. 30 years old, strange things can happen. I've seen DA 11 speed on Aelle frames here on the forum, you know. ;-)

    I'm about to dismantle it completely and I hope frame weight brings some more indirect information. But I suspect it to be resprayed because under the black paint of the fork, there's shiny chrome.

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