Brembo Brake Disc Pair with bolts/screwsType: solid, Perforated, Bolt Holes: 5, Outer Diameter: 282 mm, Thickness: 12 mm, Height: 48 mm, Centre Diameter: 65mmThe Brembo Xtra brake disc features holes on the braking surface. The holes are designed to improve the cooling of the braking system, to generate greater fading resistance and grip in the initial stages of braking. The sports look is also enhanced by the presence of the UV paint.