Originally Posted by
Pop N Wood
The torque at the pivot point is pretty easy to calculate. Many riders tend to pull up on the bars when they come out of the saddle to pump. I don't think the answer is as simple as being made out.
That makes sense, actually. They are still different types of forces (I'm thinking how hard your arms transfer your weight to the bars when you hit a pothole, for example, versus the power of the arms pushing and pulling), but I really have no idea what's more dangerous.