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edscoble
Dolan pre cursa is somewhere between 74-75 headtube. The geo chart is not correct. The seattube and headtube are basically parallel, so something is wrong (actually... right) there.
My best guess is this for size 56 with the alpina fork:
Headtube angle 74.7 / Seattube angle ~74.7 / Stack 553mm / Reach 414mm /Front-center 584mm