go to
http://www.ktm.com/PowerParts.50.0....ar=2006&model_type=Supermoto&model_id=+9775F4
order it from www.ktm-parts.com and save 15% when you register and use the SMJ discount code.
I noticed that he switched out the front brake caliper and rotor plus the rear rotor when he put on the dirt wheels. I dont ride dirt with mine and I dont think I ever would cuz its just to big but thats a killer set up for trails.