The 11.8" Rear Brake Disc Rotor is a high-quality stainless steel brake disc designed for Harley Touring motorcycles from 2008 onwards. With a thickness of 6.3mm and an outside diameter of 11.8 inches, this rotor provides excellent braking performance for street motorcycles. The rotor also comes with a manufacturer warranty of 3 months and is made in Japan. It is part number 41810-08B and is a vital component for maintaining the braking system of your motorcycle.