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geometry problems with small frames / big wheels
Pretty much all at the front, which is why Terry did 700R/650F back in the olden days. If you make the front centres long enough for your feet to clear a 700C tyre, the reach ends up too long, and once you make the head tube long enough to accommodate two bearings, the stack ends up too high for very short people to get into a properly racy position.
Im aware there are geometry problems with small frames / big wheels, could you help me out with specifically what those are, in a nutshell?