The new Brembo floating disc concept.

Historically, brake discs used in the great majority of braking systems have been made of cast iron, whereas more recently, racing and other high performance cars have been equipped with discs of compound design that feature a hybrid composite material (carbon-ceramic) — for the braking surface only — and a hat of cast aluminium or steel.

Brembo now presents a new kind of disc: the co-cast floating brake disc, made of two materials, cast iron and aluminium. This new disc has many advantages: reduced weight (15-20% lighter), greater driving comfort, less corrosion, less wear and better brake performance.

The co-cast floating brake disc is able to optimize the performance of brake systems for all types of vehicles, from the most basic utility to the sportiest roadster, and commercial vehicles too.

The co-cast floating brake disc has a cast-iron braking surface and an aluminium hat: ideally combining the advantages of heat-resistance provided by cast iron with the lightweight properties of aluminium. The innovation is in the way the two materials have been combined to a single component, and in the behaviour of the disc during operation, functioning effectively as an integral disc at low temperatures, then as a floating disc at high temperatures, when maximum performance is needed and distortion tends to occur.