^^Do you have the issue referenced in that articles comments about the upper pulley being a narrow/wide design and having issues meshing with the chain?
Can't comment in SRAM-Shimano 12 speed compatibility. Only thing I've heard is the spacing is not the same, so yeah align in the middle as opposed to second largest cog.
^^Do you have the issue referenced in that articles comments about the upper pulley being a narrow/wide design and having issues meshing with the chain?