"Strong brakes" refers to brakes in a vehicle that can stop it quickly and effectively, ensuring safety and control by reducing speed or bringing the vehicle to a halt when needed.
«Primary reason... is for stronger braking force» - On most cars you can easily lock up your wheels with stock brakes if you press the pedal hard enough. (mechanics.stackexchange.com)
Active safety features include strong brakes, responsive steering, agile handling and, above all, good grip — as in all - wheel drive. (bestride.com)