Well, I was out on my 48 mile ride today and climbing a hill when I realized that I was in the big ring. No wonder it was so hard! So I plunked it down to the middle one which was too big a jump given I was going at a snail's pace, and practically stopped dead, couldn't clip out and fell kerplunk. Luckily it was on an embankment of mulch and I didn't hurt myself at all. Just felt *really* dumb. Oh well. Still learning about my gears (although usually I am better than that).