When you become super flexible because you got yoga classes for free with your custom frame you can reach your toes and therefore can lower the stack. I guess.
I think in bike fit terms anything to do with bar position (lower or longer) is 'reach' but in bike-geo terms is stack and reach.
@amey started
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When you become super flexible because you got yoga classes for free with your custom frame you can reach your toes and therefore can lower the stack.
I guess.