The highest peak friction and the highest peak temperature Circo publish — a professional circuit compound rated to 920°C. It also has a 250°C floor, which makes it genuinely the wrong pad for a sprint or a hillclimb. Choose it when you are cooking everything else late in long races, not to gain lap time.
Operating range250–920°C
Friction µ0.45–0.56
Pad life'Very low wear at high temperatures'. No numeric figure published.