This pedal exerciser is an economic exercise bike so compact that it stores out of the way under a chair or bed. Use this portable pedal exerciser regularly to increase strength and improve coordination as well as circulation. It is great for cardiovascular fitness! There is an adjustable resistance knob to customize to each user's difficulty level. The heavy duty steel frame construction ensures durability. The plastic pedals on this Pedal Exerciser feature leather straps for a secure hold during your workout. This pedal exerciser comes fully-assembled.