Originally Posted by
Carbonfiberboy
A rather fun thing to do is to ride all of one of your standard routes in say, a 70" gear, and try to ride it as fast as you usually do or ride it with one of your buddies who's shifting. Shows up your weaknesses pretty well.
When I can coax my wife out for a ride, I ride my single speed. I'll never persuade her to try a 12% climb, but I can get a bit of a workout staying at her pace on a 6%er in a 39x14 up and down.