Originally Posted by
DrIsotope
It has one of those new proprietary FSA cranks, with 4-bolt 120/90BCD-- it will be tough to find a narrow wide ring for it. Better to just buy a dedicated 1X crankset and sell the Omega Cross to help offset the cost. I mean, in American money (not sure about Canada) the Apex 1 with a 42T X-Sync ring is only about a hundred bucks.
Ah, sorry for that. I wasn't aware of the pattern and the difficulty matching up the rings if need. Good luck with your find and build.