Appr. stamp: R90 homologated, Height: 51,1 mm, Brake Disc Type: Vented, Brake Disc Thickness: 25 mm, Outer diameter: 280 mm, Num. of holes: 5, Centering Diameter: 67 mm, Bolt Hole Circle Ø: 112 mm, Coated, Piece, with bolts/screws, Number of mounting bores: 1