High Quality rear brake disc from Tsuboss Brake Racing. The brake disc is available in Wave Open design, made from specially hardened premium quality stainless steel. Tsuboss brake discs provide excellent braking performance while exhibiting extremely little wear. For best performance use Tsuboss Brake Racing brake pads with the matching compound that suits your type of riding. This is a perfect rear brake disc replacement for Kawasaki ZX7R 750 Ninja R.