The ratio of braking force distributed between the front and rear wheels.

Proportion of the retardation effort shared between the front and rear brakes.

The bias of braking power between the front and rear tyres.

Drivers can alter the percentage of brake force begin applied to the front and rear from inside the cockpit. Generally, more brake force is pushed to the front of the F1 car, although this has to be evened out in the wet.

A switch in the cockpit to alter the split of the car's braking power between the front and the rear wheels according to a driver's wishes.

A switch in the cockpit to alter the split of the car's braking power between the front and the rear wheels as determined by the driver.