R1 Concepts Brake Components provide high-quality stopping power. With our state-of-the-art technology, your brake rotors will last longer, perform better, and ensure your vehicle's safety for thousands of miles to come. Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 16 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all foreign and domestic vehicle applications from 1930-present.