Originally Posted by
timdow
You don't list a location on your profile. If you are US, I have a well used but still good 113mm Shimano BB UN27 that you can have for cost of shipping so then you could try that width. Or... your LBS might be able to give you a used one cheap or free.
This would be a great starting place. The cranks are going to determine what you will use on your frame. Start with something laying around and measure from there. It's almost sheer luck to find someone that has used the same frame/crankset combo once you stray too far from the CAAD/Sram Force group....just install the cranks on a known length of cheap and correct for your high dollar set up.