The Feedback Sports Omnium Over-Drive Portable Trainer in Red is a high-quality magnetic resistance trainer designed for indoor cycling. Suitable for a range of wheel sizes from 16 to 26 inches, this trainer is perfect for adult beginners looking to improve their cycling experience. Made from durable aluminium material, it features anti-slip feet for stability and foldable design for easy storage when not in use. With the Feedback Sports Omnium model, users can enjoy a smooth and efficient workout in the comfort of their own home.