The key advantage is that the brake discs are approximately 50 % lighter than standard discs of similar design and size. (porsche.com)
Missing from the original standard disc / Disc 1 of the two - disc set are DVD - ROM extras, which in a rare twist, offered more than weblinks and printable junk. (dvdizzy.com)
The Triumph TR3 is the first production car to include standard disc brakes, which were continued on the «TR3A» facelift. (en.wikipedia.org)