• pop a pair of wheels on it plus a long seatpost in the seattube

    stand it up and using a spirit level measure the distance c-t-c seatpost to headtube

    this virtual t-t measurement should be 600 ish for an xl (590 - 610)

    thanks mate, I deleted the post and started a thread

    just so people don't think you're talking to yourself!

    I replied there

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