EBC CC-Series Brake Disc MD3092CC. EBC Pro-lite custom range discs are 100% British-made using billet alloy centre hubs, polished and lacquered to avoid corrosion and attached to European mill-rolled, heat-treated and tempered stainless DB420 steel. The centre hubs are attached to the rotor ring using EBC’s patented SD-System (square drive) rivets that prevent distortion under heavy braking, making these a perfect upgrade replacement for original discs. 1x MD3092CC EBC Brake Disc. Product Type: Brake Discs. Hole Diameter: 10.4mm. Hole to Hole: 83mm. You can send us a message by using the “Questions and answers” section towards the bottom of the page.