Nowhere near are they?
Must take a photo of mine. Yours looks to be a large frame, mine has a much more sloping tt but is 18" centre to top of extended seat tube. Top tube a lengthy 24"+!
not a great pic or a very retro spec - Rebas, Mavic Crosstrails, Raceface Next LP square taper cranks, Hope Minis, XT. The stem looks long but it's only 90mm, I should go even shorter & move the seat back.
Mine is a bit bigger..... I'm not sure off the top of my head but it fits me perfectly..... I think that long top tube helps with the climbs tho..... I was tearing up some monsters that I usually struggle up....
I've seen that fat chicks something or other site advertised..... I'll drop them a mail:0)