Series Factory Flame Outer diameters220.0 mm Inner diameter 162.0 mm Thickness 4.4 mm Number of holes 6 Hole diameter 6.5 mm Pitch125.0 mm Type Fixed Disc The Moto-Master Factory 4.4mm Flame Disc is the perfect solution for heavy rear-brake draggers. 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. Rear Brake Rotor Moto Master Factory Flame 4.4mm for Heavy Brake Draggers