Feedback Sports Pro E Lift Base Frame. Feedback Sports offers a comprehensive range of repair stand replacement parts designed to maintain the functionality and longevity of your bike repair stand. These high-quality parts include clamps jaws knobs and other essential components that ensure your stand operates smoothly and securely. Whether you need to replace worn-out parts or upgrade your stand for better performance Feedback Sports provides durable and reliable options to keep your bike maintenance setup in top condition. With easy-to-install parts you can quickly get back to your repair tasks with minimal downtime.