This stand converts your bike into an indoor bike cycling trainer. Instead of going out and buying an expensive, large exercise bike, save some cash and get this small portable bike trainer. No need to worry about the weather, you can now bike all year long.FEATURES: Clamp locks down on quick release or bolt on rear wheels; Will work with road bikes & mountain bikes with a wheel of 24", 26", 27" or 700C Wheel; Stand folds for easy storage and travel; Dimension: 25.8"x16.1"x15.5 (length x width x height)