Originally Posted by merlinextraligh

How is it even remotely possible to say that a particular bike is too big for someone, without even seeing a picture of them on the bike, let alone the person actually on the bike? Especially since we're talking a 2cm difference.

I think DannoXYZ is likely correct. However, the only way you're going to be sure is to work with someone you trust who can see you on the bike pedaling it.

Failing that, pictures of you on the bike on a trainer would at least give people some basis to help you here other than anal extraction.