Appr. stamp: R90 homologated, Height: 73,1 mm, Brake Disc Type: Vented, Brake Disc Thickness: 28 mm, Outer diameter: 328 mm, Num. of holes: 5, Centering Diameter: 75 mm, Bolt Hole Circle Ø: 120 mm, Coated, Piece, with bolts/screws, Number of mounting bores: 1