11.8" / 300mm OD. Open center with 6.7" BCD / 101.6mm hole to hole distance. Half moon bolt mount holes. Mounts with M8 x 1.25" x 23 shoulder bolt. 5mm thick. Mount style ''D''. OEM replacement reference 44553-06A. All SBS brake discs are made of a high quality stainless steel; alloyed with a high carbon content; to offer excellent brake performance and reliable stopping power in any condition. All brake discs are EU manufactured by craftsmen using high-end grinding machines for a perfectly flat disc that will work without noise or vibrations. - High quality stainless steel with high carbon content - Installs like stock - Perfect brake performance & stopping power under all conditions - Long life - High comfort level – no noise; no vibrations - High temperature resistance - Anti-corrosion treatment - Perfect suitable for all SBS brake pad compounds - Heat-treated stainless steel center hubs