Race-Driven Riptide Brake Rotor. You will receive 1 brake rotor to replace the rear disc on the following: 2017 2018 2019 2020 2021 2022 2023 KTM 500 EXC-F. Race-Driven Riptide 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 Riptide Brake Rotors you will be receiving quality brake rotors guaranteed to replace your OEM rotors. RipTide Rotors are designed with extra venting to cool your brakes in dry and heated riding conditions. Race-Driven is committed to bringing the highest quality products to all riders at an affordable price. Customer Driven – Quality Driven – Race-Driven. RipTide Rotors - Play Hard with Cool Confidence.