So with a 130mm sagged fork, plus your proposed 50mm stem and 60mm(?) bars, you'll end up with something like this
Guessing your saddle height
Edit ( TT not quite right, as I don't know which fork or sag they're using )
You got the seat tube angle wrong. The sagged TT will be just 12mm longer than on the Sir9 I have in classifieds.
Ah yes, misread that 78 as 76 :-)
@pit started
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So with a 130mm sagged fork, plus your proposed 50mm stem and 60mm(?) bars, you'll end up with something like this
Guessing your saddle height
Edit ( TT not quite right, as I don't know which fork or sag they're using )