whatever - the Miche BB has never been problematic for me. If you need an Italian bb and have Miche cranks, you are stuck with the miche bb. And that is not bad at all.
read here:
http://businesscycles.com/tr-refspec.htm#cranks plus this
http://businesscycles.com/tr-refspec.htm#b/b
also, for $25-ish, you can't go wrong.
Install it properly.
Next.