Does this seem like a smart thing to do with a pedal that's full of delicate components? I don't think I would be worried if I had pedals that had no power componentry, like regular Look Keo, but....
I don't see why not. On a ride the pedals regularly see many times your body weight from G-loads over bumps, rough terrain, and even occasionally hitting the ground, etc. On the rack it's just your bike weight, sitting statically, and it probably weighs less than 25 pounds. It's nothing compared to what they're subjected to when you ride.
