All frames should be measured to the top tube in opinion the extra after that doesn't contribute to the size.
I m tempted by but can't afford it an no rear disc is a pain
If you slightly over tighten stainless they snap
Also stainless Allen heads round off very easy
Always copper grease stainless fasteners especially if they are going into alloy
my memory is vague but if i remember correct the first version only came in black i think the font was the same as the dark red in your photo
there is probably 3 variations of them