Originally Posted by
elcruxio
You might be dealing with significantly more aggressive riding positions than what I have. I only have my arms at around 90 degrees from the torso and only around 8cm of drop. But i manage sitting on my ischial tuberosities just fine for short periods. And that's not even discussing riding no handed.
How do you know which part of the pelvic arches you are sitting on? To sit on the tuberosities you need to be sitting pretty much straight up, like at the dining table.