Hello there, I just have changed the faction from alliance to horde, and my toon waist, wrists and a boots didn't transfered to the horde ones. They're still alliance ones, so i can't do anything...
Here's some photos:
http://i.imgur.com/UeJuxhF.jpg
http://i.imgur.com/Y37zVTc.jpg
http://i.imgur.com/5AATQ36.jpg