... ,into every aspect of your life .2,[good folding,easy storge] "A-BIKE"as long as 10 seconds ... exercise ? Sorry ,can not help you perhaps ordinary bicycle, riding cxercise is too small to bring to bring ... As is very easy to use and carry ,folding bicycles are also being more and more people of ... suggest you thind about this today to introduce a folding bike-it is particularly suitable ultra -it is ...