Indoor bicycles are divided into two categories, the first category is a fixed sitting bicycle, and the second category is an indoor bicycle group exercise may also be called a spinning bicycle.

Stationary sitting bikes, one is indoor cycling group classes, such as spinning classes.

The second category is the indoor cycling group exercise course (spinning), which is different from the sitting bicycle in that its riding posture is changeable, there are complete movement changes and intensity arrangements, it is a complete training system, the intensity can also be very large, large consumption, but the risk of injury is also higher. For this type of class, be sure to have a qualified cycling instructor to guide the spinning group class.