This is a bicycle floor parking stand. It is designed to hold a bicycle upright for storage, display, or maintenance without the need to lean it against a wall. Design: The stand is made of metal and features a U-shaped holder that supports the bicycle's tire.It is often described as being stable and space saving. Compatibility: Many stands are designed to fit a wide range of tire sizes, including road bikes and mountain bikes with tire widths up to 2.4 inches.