The M type has a shorter handlebar support and doesn't bend forward as much, giving it a shorter effective top tube. Even given your dwarfish height I think an S type would still suit you better. My S type was still short in the TT for me.
@furious_tiles started
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The M type has a shorter handlebar support and doesn't bend forward as much, giving it a shorter effective top tube.
Even given your dwarfish height I think an S type would still suit you better.
My S type was still short in the TT for me.