Joined: Jul 2002
Posts: 40,863
Likes: 3,116
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
It's psychological mostly.
On a really hard climb, especially one I don't know that well, I hate being in the last (biggest) cog. I always want a bail-out, just in case I go around a corner and it gets really steep.