Quote Originally Posted by need_help View Post
his answer was sore back for too big (don't want that) or "easily tired" for too small (sounds okay to me!) Would you agree?
You could end up with a sore back on a too-small bike, too. That's what I'm on right now and I definitely feel it in my mid-to-lower back. I also feel less stable, since my center of gravity is forced higher with my head and shoulders more upright. I feel at greater risk of tipping and endo.