Weight doesn't matter
Alongside Italy, the USA is the nation that has had the most world champion riders in the premier class, with 6 in the 500cc and one in MotoGP. Yet, in the last 2 years, no American has competed in MotoGP: the last one was Garrett Gerloff, who raced in Assen (Netherlands) in 2021 replacing the injured Franco Morbidelli. Instead, the last American to compete in an entire MotoGP championship was the late Nicky Hayden back in 2015.
More than sports bikes, Americans seem to prefer baggers, cruiser motorcycles equipped with side panniers and exaggerated windshields, with which they comfortably rack up miles upon miles. Since 2021, the King of the Baggers championship has been held, featuring motorcycles equipped with Brembo GP4-RR radial monobloc calipers, inspired by MotoGP calipers, acting on 330 mm diameter PISTABASSA discs. Also, the RMC BilletGP brake pump is made by Brembo because even on these behemoths, riders demand safety, reliability, and performance.
The toughest turn
The toughest turn at the Circuit of the Americas for the braking system is Turn 12: MotoGP bikes go from 338 km/h to 65 km/h in 5.8 seconds, covering 293 meters while riders apply a brake lever load of 5.8 kg. The deceleration is 1.5 g, Brembo brake fluid pressure reaches 12.5 bar, and the temperature of the carbon discs rises to 690°C.