Lyndall Brakes 9 Spoke 11.5 X 6mm Rear Brake Rotor For Harley Lyndall Brakes 9 Spoke Rear Brake Rotors are precision-engineered from high-carbon steel for those who expect superior performance. Manufactured in the USA with advanced CNC machining, they are built to withstand the toughest conditions in powersports, providing reliable stopping power when needed. Lyndall rotors offer not only outstanding performance but also the assurance of unparalleled quality. Features: Direct fit Full floating rotor Braking surface is a replaceable friction ring held to the aluminum carrier with a large snap ring 11.5 X 6mm Slotted rotor grooves improve performance under heavy braking by lowering brake fade from high-temperature brake pads outgassing, by allowing gases to escape through the slots, improving braking consistency Made in the USA