At 5'11", a 56/55 cm sized bike is technically within your limits; I'm the same height and ride a bike of the same proportion as this. That said, I wouldn't want to go any smaller, and I have my seat up pretty high.
@The_Kindness_of_Trees started
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At 5'11", a 56/55 cm sized bike is technically within your limits; I'm the same height and ride a bike of the same proportion as this. That said, I wouldn't want to go any smaller, and I have my seat up pretty high.