This is a situation identical to the 2019 911 Carrera S. This Cayman GTS really needs a different model for the Race Brakes upgrade. Stock brakes are already too small compared to the wheel size, but the Race Brakes are even worse in all ways. The Cayman GT4 has good looking brakes that are adjustable by default
Stock brakes
Race Brakes
Cayman GT4 brakes