Many clubs have fixed bicycles. According to everyone's physical condition, it can be divided into three different sports standards: high, medium and low. The high amount of exercise is to pedal hard for 5 minutes, and the "riding distance" is 4 ~ 5 kilometers; Moderate exercise can be 2 ~ 3 kilometers; The low amount of exercise is 1 ~ 1.5 km. For indoor cycling, as long as you insist on two "5 minutes" every day, you can get the ideal exercise effect.