Disc Brake Rotor 258mm x 20.4 min DF1416SPart No. DF1416S Type DISC BRAKE ROTOR Brand TRW Unit of Measure EACH Description TRW Disc Brake Rotor 258mm x 20. 4 min Warranty One Year Centre Hole Diameter 84mm Depth Thickness 22mm Minimum Thickness 20mm Outside Diameter 258mm Type Vented Height 34mm Diameter 258mm Thickness 22mm Number of Stud Holes 6 Pitch Circle Diameter 104mm Features High carbon content Improved damping behaviour Greater stability and resistance to higher temperatures