Quote Originally Posted by GLC1968 View Post
When you are on your bike (maybe on a trainer) have someone check to see (or use a mirror) if the angle between your upper arms and torso is about 45 degrees. If it's less, you are probably too upright for effecient pedaling and joint comfort given the geometry of your bike.
FWIW -- at my recent fittings, I was told that they're looking for an arm/torso angle of about 90 degrees.