or you could always go up to 54t for 35 - 43 - 55 - 68 - 87 - 107", then your cruising gear is a slightly lighter but basically very similar 68"? decisions...
That might be even better - gives me 3rd and 4th as 56” and 69” with Conti Contact Urbans which I think would do nicely, and would keep me in the middle ratio of the IGH most most of the time.
or you could always go up to 54t for 35 - 43 - 55 - 68 - 87 - 107", then your cruising gear is a slightly lighter but basically very similar 68"? decisions...