Originally Posted by
topflightpro
I've done a 90-min climb. I don't recall what my power was on that day. Regardless, I've never found climbing to be a great test for power though, largely because I rarely have the proper gearing so I'm grinding along at 50-60 rpm. Also, I do not like climbing. I'm quite bad at it.
If you're going hard on the climb and you blow up it's hard to just dial it back a little and recover, especially if you don't have the gears.