Originally Posted by
trailangel
If you are climbing 25% grade you will be in the 34 cog on the rear all the time. Consider 11-36 cassette instead, if you can get it to work.
Word.
The idea that you're going to be in a 32t and save the 34t for a bailout on a 25% grade is just hooey. As is the idea that the 32t is the ideal gear for hills that are only 20% grade.