Any pics? I think the location and shaprness of the bend are key. While I agree most alloys don't like being worked I think a brake may be soft enough to take a gentle amount of pressure.
How is the rest of the bike?
__________________
“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk