Originally Posted by
Andrew R Stewart
Not enough to really make a chainline difference of any merit. But to attain ring/arm and stay clearance, maybe. Andy.
This chart shows specs for Hollowtech and other external BB/crank systems:
Sheldon Brown's Bottom Bracket Size Database
Looks like many of the Hollowtech II models list a 43.5 mm chain line. By playing with the spacers, can they be modified to 42 mm?