A setup involving two braking mechanisms per wheel constitutes a major alteration to plain car braking programs. This modification usually entails the addition of a secondary caliper, typically paired with its personal devoted actuation system, to complement the unique, factory-installed brake. A typical utility contains enabling a hydraulically-actuated handbrake in efficiency driving situations, the place impartial rear wheel locking could be desired.
The incorporation of such a system gives enhanced braking power and impartial management of particular person wheels. That is significantly helpful in functions like drifting, rally racing, or off-road driving, the place exact modulation of braking power is essential for car management. Traditionally, such a modification was primarily present in motorsport, however its use has expanded to aftermarket customization for road automobiles searching for improved efficiency or specialised capabilities.