High Quality rear brake disc from Tsuboss Brake Racing. The brake disc has a 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 BrakeRacing brake pads with the matching compound that suits your type of riding. This is a perfect rear brake disc replacement for Kymco Xciting 250.