Okay, I feel like an idiot posting this, but I cannot figure out how to get my rear rack on. I have the Topeak Explorer rack (here) and I'm trying to put it on my Terry Symmetry.

The problem is that my rear brake completely gets in the way of the bracket arms. I don't understand! Here is a pic for clarification:





Why are the eyelets/braze-ons (sorry, not sure of term) right there if you can't use them? What am I doing wrong??