Brembo braking system in MotoGP: facts and technical details
All the riders in the grid will use the GP4, the MotoGP caliper already launched in 2020. This monobloc aluminum caliper is machined from a solid piece of aluminium and features a radial attachment and four.
It’s characterized by an amplification system that allows the braking torque to be increased: this means that the rider gets greater benefit from applying the same pressure to the brake lever.
Meanwhile, a spring device on the anti-drag system reduces the residual torque and stops the pads and discs coming into contact with each other, which result in the bike slowing down.
Regarding discs instead, Brembo provides teams with a wide range of carbon brake discs: five different diameters with each available in 3 material specifications (Finned, High Mass and Standard) for a total of fifteen solutions. Ventilated disc solutions with a diameter of 340 mm and 355 mm will be increasingly used on circuits such as Spielberg, Buddh, Motegi, Buriram and Sepang. During the season, most riders should focus on 340mm diameter discs, splitting between High Mass (high end) and Standard Mass (low end).
The thickness of the discs, regardless of diameter, is 8mm, while the weight varies between 1kg and 1.4kg depending on the diameter and specification used.
Overall, between front wheel and rear wheel, the MotoGP braking system weighs about 5.5kg.
The operating temperature of the carbon disc must be between 250°and 850°.