He already emailed me back saying it is a 54cm, which I am assuming is going to be small for me being 6'4.
Also, what does this mean?
Larger riders (6'0" and up) may find that this formula puts them on a too small, and uncomfortable, road frame. A taller cyclist who wants a more comfortable frame may be better off selecting a frame 27–28cm less than inseam length, C-T.
I found this from
http://www.cbss.ca/Custom.htm