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I dont recognize the frame but could be thats its made to be compatible both with normal routing (empty hole on downtube) and a system like FSA ACR (hidden through stem)
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https://www.instagram.com/reel/CtqcU9FsUlM
after a bit of internet detective work, it appears to be a 'crz ctrl' custom ti frame.
something to do with a guy called coach leian Cruzthat's as far as I could be bothered to look into it
No cable going into the rear brake hole on the down tube.
Both calves at 12 oclock.
It does look AI.