Seriously think about going as low as 24 for the inner ring. You may have to give up on some of the small -small gears, but that isn't much of an issue. You may do better with say the 50-38-24 than your 52-42-30, but a 50-11 is still a very high gear! (Like 8% higher tan anyone raced in the early 70s.)

And going to a 24 drops your low 20%, a real number. (Going to a 34 rear gets you 13%.)

Ben