You too can brake with Moto Master brake discs: Precisely fitting, made from highest-grade steel, they ensure maximum deceleration and minimum brake pad wear. The "hot" flame design looks really sharp as well. Floating. Outer ring made of stainless high-performance brake steel. Minimal wear on brake pads. With Flame design for added braking performance. Used by Husqvarna factory team. Note: Brake caliper support (P/N 78913914000) is required for installation (not included). Husqvarna PowerParts P/N: 23301996000.