? X-type and Transport Wheels:Combining the X-type physical balance theory in the design, is safe and stable.. Meanwhile, our bike is equipped with transport wheels, is very easy to get it to move, and easy to storage ?Adjustable Magnetic Resistance: Ativafit exercise bike is 8-level magnetic resistance available to be adjusted. It can be adjusted to the level needed , which can guarantee your fitness effect. Meanwhile, due to the magnetic fly wheel design, when you riding the bike, can not produce ant noise. ?Comfortable Seat and Backrest:  To ensure a higher comfortability, the folding exercise bike is specially designed with large & comfy seat, backrest cushion and rubber foam handle bars.  ?Resistance Bands: equipped with resistance bands and foot straps, you can also feel the burn in your arms and legs and the heart rate is pumping; an innovative combo makes a quick full-body workout; exercise made simple! ?Good Service: Our bike is equipped with non-slip pedals and safety foot straps, you can use it securely. At the same time, if you have any question after buying our products, you can send us an e-mail. We will solve your problem as soon as possible.