Originally Posted by
carleton
There are a very few minor reasons:
The chainring spider is abnormally thick on the Omniums causing it to catch on the chainstay of a very very few frames.
I had the same problem with my FSA Carbon Track Pro crankset on my Jamis Sonik.
Omniums:
Very easy to update the the BB with bearings, or a brand new BB such as the Chris King.