Originally Posted by
Looigi
FWIW: Big and small rings are often matched sets as the tooth profiles, ramps and lift pins on the big ring are optimized for a particular number of teeth and phase on the small ring. If you use a mismatched set, it'll still shift and probably shift reasonably well, just not as well as a matched set.
This is true. However using the scram 36 tooth ring instead of a 34 shimano there is less chain drop and the shifting inmo is just as creditable. I have had zero issues and shifts inmo again alot better than a 34 ring