CIRCO M207 Race Brake Pads Gifs Elsa jean. CIRCO M207 is the Heavy Duty sprint and mid enduro compound in the CIRCO range with exceptionally consistent torque characteristics at all temperatures making it a must have for professional circuit racing at the very highest levels. M207 is extremely capable at higher temperatures where other compounds simply give up. Suitable for sprint, mid distance and Endurance racing with very low wear at high temperatures and is very kind to disc condition.