Brake Rotor Disc for Hydraulic Disc brakes Diameter 180 mm 6 stud hole pattern Centre hole 39 mm Stud holes 25 mm apart centre to centre 3 mm thickness This brake rotor disc is a reliable and sturdy option for any hydraulic disc brake system. With a diameter of 180 mm and 6 stud hole pattern, it provides a perfect fit for your bike. The centre hole measures 39 mm and the stud holes are 25 mm apart, ensuring precise and accurate installation. At just 3 mm thick, it is lightweight yet durable, delivering excellent braking power and performance. Trust this disc to provide a smooth and safe ride every time.