Biot is a Japanese braking specialist focused on high-performance 2-piece and 3-piece floating brake rotors and big brake upgrades. The range includes lightweight slotted and drilled discs, genuine replacement rotor rings and repair rotors engineered to improve heat management and braking consistency under hard use. Biot rotors are a popular upgrade for JDM sports cars and track builds. Black Hawk Japan stocks the full Biot range, sourced direct from Japan.