The Moto-Master Factory 4.4mm Flame Disc is the perfect solution for heavy rear-brake draggers. The Moto-Master Flame Fixed Discs are manufactured to the tightest tolerances and specifications using a specially hardened premium quality stainless steel. However, performance is taken to the next level by integrating the Flame design into the disc. The FLAME design aids in the cooling and cleaning of the contact surface, and is unsurpassed in modulation and feel. Extra thickness 4.4mm rear disc to withstand extremely high temperatures. Ideal for rear brake draggers. The FLAME Factory 4.4mm discs are laser cut, CNC machined, and precision double-grinded for perfect fitment and flatness For best performance we recommend using Moto-Master brake pads with the matching pad compound that best suits your type of riding. Winningest design in today’s Motocross GP racing.