XAO1210: Features: -Built with a sturdy steel frame, allowing for safe and secure cycling. -Magnetic resistance. -Precision-machined roller to reduce tire wear. -One of the quietest on the market. -Easily folds down for travel and storage. Bike Type: -Bike trainer. Finish: -Black. Material: -Metal. Dimensions: Overall Height - Top to Bottom: -21.4". Overall Width - Side to Side: -19.4". Overall Depth - Front to Back: -15.5". Overall Product Weight: -20 lbs.