What everyone else said. If you need a 43cm, then it's unlikely that you could ride a bike with 700c wheels.
Triple vs. compact double is a little weird. It's hard finding off-the-shelf bikes with nicer-than-entry-level components with a triple crankset. The shifting on a compact double is nicer and the bike overall ends up lighter. If you have a lot of steep hills, then a triple might be better.





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