Hey? Is strontium too late? Hey? What is the charge for remote earth caves? Is the hoop tip far from the earth? Follow-up: Thank you! Answer: Yes, it can be said that it is a comprehensive exercise, which can exercise the waist, thighs and calves. If it's a girl, it's better to lose weight by cycling than running. thank you Answer: It doesn't depend on the number of kilometers. You can choose the riding distance,15km. Then the round trip is 30 kilometers. You can keep riding at a speed. For example, if you have been riding for 5 kilometers at the speed of 20 kilometers per hour, or riding 10 kilometers at the speed of 30 kilometers, you will find that if you ride for a long time, you can run almost 65438 a day. Let me understand a lot, I will pay attention to your suggestion, in short, thank you very much