Originally Posted by
yooperbiker
A 56cm frame is likely only one size step too large for you, and should be able to make it work with a new shorter stem and lowered seat post. Take it in to a bike shop and they can likely fix it up for you in a few minutes and not too much money.
This is good advice as a 2 cm difference can usually be adjusted to make fit good enough for a recreational rider. Besides, I am of the opinion that better the bike is a little too big than a little too small.