Originally Posted by Dan333SP

For steeper and longer climbs, like 15+ % for 7 or 8 miles, I prefer to get into the "imaginary aero bar" position (IAB) where your forearms balance on the tops, you clasp your hands between your brifters, and I put it in my 53/11 and spin away until I'm at the top. I tend to be ON THE RIVET on my saddle throughout the climb.