Originally Posted by
pastorbobnlnh
I'm with @
jonwvara in that I'd rather be safe then sorry. While I try to never go big-big, sometimes at the end of a long hard ride, when weariness has peaked, making a shifting mistake on the final hill can be either a disaster or an inconsequential mistake. I'd prefer the later over the former.
Lets see:

(50+38)-(31+16)=41 Now that's some chain wrap!

Yes it is, Bob! I don't think I've ever seen a DuoPar so fully used!