Went and took a new rider class a my local velodrome and was immediately hooked. Needless to say, I need a new bike now. Wanting to get a light and stiff aluminum frame to go along with my Fuji Feather for around town. Looking to buy a complete bike and swap my Omniums over to actually get the benefits out of them. Considering buying an Aventon model bike since it won't break the bank. Any opinions on the new versus old style Cordoba? I've heard the older model is actually stiffer with the way the seat stays meet the seat tube lower.

Also, I rode a 56cm Windsor The Hour for the class, and it felt huge. My current bike is a 54, but I'm sporting risers on it. Should I be looking at getting a 52 or a 55?