Hi, new here although not new to chinese framesets or bike buiding itself

I just finished a allroad build for my wife with ICAN X-gravel2/105/etc
i have been looking road frame for me but i feel that there is not much options when trying to find suitable geometry. I have very long legs short back, inseam 90cm and i am 183cm tall and my bike fit would be perfect with something like 560TT/590ST frame.
However high stack frames are either very endurance-oriented or expensive (51bikes Sika)
Does anyone have any ideas?