Originally Posted by
Spld cyclist
What gear setup do you currently use for biking in the mountains? That would go a long way toward answering your questions. If you're a really strong rider that doesn't need the range of a triple in that sort of terrain, then you may not need ultra low gearing when you add 15 pounds of gear for a supported tour.
I am not a strong rider. The only short mountain tour was donen the Rivendell. It has a triple at 46-36-24 and a 9 speed cassette at 11-32.