Joined: Apr 2005
Posts: 1,152
Likes: 5
From: Minneapolis, MN, USA
Bikes: 1990 Burley Bossa Nova, 1992 Paramount PDG-70, 1993 Specialized Stumpjumper, 2005 Jamis Dakar XC Pro, 2007 Rivendell Bleriot
I guess it depends how bad it is, but i think you might need a new rim. A flat spot is hard to fix, since spokes work by pulling the rim inwards..
you could try various brute force methods like blocks of wood and hammers, but i don't think that is such a great idea...