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@SimonE1
Bike minus wheels will work, it's actually my preference as I'd quite like to keep the zondas if possible
Effective top tube is 53.4 according to the geo chart.
Stack is 54.7 and reach is 37.9 (which happens to be identical to my size 54 caad8)
I think the steep STA at 74.2°, plus the 25mm setback seatpost accounts for the slightly shorter effective top tube measurement on paper, and yet same fit as on the caad
Hope that helps