[2] The optimal brake balance can vary between circuits, weather conditions and driving styles.
In other cases, it may be desirable for the brake balance to be the more similar at the front and rear (e.g. 50/50) for the tires to last longer, which may be beneficial in endurance racing.
The adjustment can be made via mechanical couplings or with the help of a small electric motor.
For example, it can be useful to use less distribution on the rear brakes when entering the corner in order to stabilize the car, and progressively increase the rear-brake distribution as the apex approaches.
[7] On Formula One cars, the amount of brake migration can be adjusted using a rotary switch on the steering wheel.