Uh, yup..... if you like crisp, reliable shifting, you need to maintain the gap between big ring and outer cage between 1-4mm (depending on religious persuasion, and hemisphere).
I suspected as much, I just didn't know how much difference there would be in the diameter of a 53 vs a 50, and if that was too small to make any difference
I suspected as much, I just didn't know how much difference there would be in the diameter of a 53 vs a 50, and if that was too small to make any difference