Brand New Race-Driven Standard Brake Rotor. You will receive 1 brake rotor to replace the rear brakes on the following: 2004 2005 2006 2007 Yamaha Rhino YXR660. New Race-Driven Standard Brake Rotors are made from tempered stainless steel for not only a great look but also optimal performance. As brake pads wear numerous times, the rotors are going to take a beating and need to be replaced. With our Standard Brake Rotors you will be receiving quality brake rotors guaranteed to replace your OEM rotors. Standard Rotors are equal to or surpass OEM standards. Race-Driven is committed to bringing the highest quality products to all riders at an affordable price. Customer Driven – Quality Driven – Race-Driven.