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For the first time on an Aston Martin, Rapide features a dual cast brake system. The discs are made from two materials, cast iron and aluminium. The new technology provides dynamic advantages in the form of reduced unsprung mass with a brake that is 15-20% lighter than a standard cast iron brake. Using both cast iron and aluminium takes advantage of the heat resistance provided by cast iron and the weight saving properties of aluminium. In addition, greater braking performance, reduced corrosion, and less wear are all benefits associated with the Rapide dual cast brake system.
Rapide’s brake system features a new braking module delivering more discreet interventions and provides improved functionality for existing features as well as the new Hydraulic Brake Assist (HBA), which provides assistance in emergency braking situations. The Hydraulic Brake Assist function identifies when the driver requires maximum braking performance, from the speed at which the brake pedal is depressed, and automatically boosts the brake pressure up to the ABS control threshold for as long as the driver keeps the brake pedal pressed down. As a result, stopping distances can be substantially reduced.