Try this 8" pulley remover on the rotors.
You can get this from Harbor Freight Tools for less then 11 bucks.
A must for removing gears, sprockets, bearings, pulleys, and much more.
* Rugged heat-treated carbon steel
* Highly polished chrome finish
* Hex end size: 18mm
Screw diameter: 5/8"; Reach: 10-3/16"
ITEM 40970-1VGA
$10.59
www.Harborfreight.com