I'm interested in the Nework 500 but can't find specific size details for it and can't get to a shop to try it. I'm 5'8 with an inside leg of 30 inches. If anyone knows which size would be best that'd be realy helpful.
For your height i would suggest you go for the Medium frame. This will give you less weight to pedal around.
To give you an idea I am 5' 7" and comfortably fit the medium frame.