Goplus Portable Magnet Steel Bike/Bicycle Indoor Exercise Trainer Stand Durable Construction: Item weighs 15.5 lbs. Its solid construction ensures long term durability with little noise. Folding Design: This bicycle trainer can be folded when not in use to save space. Fits 26 to 28 Inch and 700C Bike: It fits for 26'' to 28'' or 700C bike wheels with quick release. Folded Size: 21.5'' x 7.9'' x 18.2''. Unfolded Size: 21.5'' x18.5'' x15''. Package Include: 1 x Indoor Bicycle Trainer, 1 x Skewer, 1 x Instruction.