46T 6800 ring with 5800 50/34 crankset

lukasamdvLJ27cA7
lukasamdvLJ27cA7 Posts: 51
edited March 2018 in Workshop
Hello, I have 5800 50/34 crankset and interested in replace big ring with 46T from Ultegra 6800 to make "custom" 46/34, best option for me.
Will it compatible?

Both have the same BCD, both use four screws.. But what about work with front delaurier?