The MOTO-MASTER Flame Front Brake Disc (floating mounted) is designed for motocross riders seeking enhanced braking performance. Featuring an aluminum inner carrier and revolutionary Flame cut design, this MOTO-MASTER brake disc offers a 35% performance increase and 20% weight reduction compared to OEM products. The Flame design ensures efficient cooling, water displacement, and cleaning of the contact surface. The rotor consists of CNC-machined aluminum, a lightweight floating setup made from stainless steel, a precision-ground outer ring made from high-quality stainless steel, and a black anodized inner ring. For OVERSIZE brake discs, an adapter bracket must be used depending on the bike model. OS = Oversize.