Thats an FM028. If you put your bike measurements into the following calculator (under custom). You can compare it to the FM028 (and find size). I'm guessing you'd like something as close to your S-works as possible. http://cheapcarbonframes.com/wp-content/uploads/2010/08/sizing.html
The 52 would be such a sweet fit for me. With angles very much like my commuter, just with a far shorter wheelbase.
Thats an FM028. If you put your bike measurements into the following calculator (under custom). You can compare it to the FM028 (and find size). I'm guessing you'd like something as close to your S-works as possible.
http://cheapcarbonframes.com/wp-content/uploads/2010/08/sizing.html
The 52 would be such a sweet fit for me. With angles very much like my commuter, just with a far shorter wheelbase.