ask for brake discs+covers change to 2008 Road King

A hello to the screwdriver round, I can certainly help one or the other with his knowledge. On a 2008 Road King, after not even 20000km, the brake discs are drawn in front.The RK is a European model and equipped with original brakes. Are there better accessories discs than the originals Which brake pads from which company use, which make a good impression. How much Nm are tightened the brake disc screws. ahead. Thank you very much Klaus