Originally Posted by Mark Manner

Hi, I am not sure, I got a couple of the OX901Ds with 46/30 chainrings for an 11 speed setup, and they came assembled, no spare parts. For what it is worth, the chainline when I installed it seemed pretty close to the Ultegra 50/34 it replaced, so maybe you can find one and measure to compare. Sorry I can't be of more help.