As one of the few manufacturers to do so, NG Brake provides all brake discs with a KBA release, so they are road legal and do not require additional certification. The general operating certificate of the Federal Motor Transport Authority (KBA - Germany) is included with each disc. The OEM version is of the same dimensions as the original brake disc. However, the design may differ from some models. Road approval of the Federal Motor Vehicle Department: yes outer diameter: 300mm inside diameter (mounting): 61mm thickness: 5.0mm holes: 5 hole diameter: 10.5mm type: Standard floating (floating) vehicle allocation for rotor NG1138 SUZUKI GSX-F 750 1985-1988 (front) GSX-R 750 1985-1987 (front)