Mountain speed:
Mountain bikes are available at speeds of 11, 18, 20, 21, 24, 27 and 30.
Correct use of transmission, can cope with flat road, up and down slope, dirt road, headwind and other complex road conditions and climate, faster than the ordinary bicycle much less effort.

The advantages of mountain bike:

Wide tire, straight handle, front and rear shock absorption, more comfortable riding;
High stiffness, flexible walking;
With cushioning, anti-seismic performance of good tires, sturdy, material stiffness of the frame, not tired handlebars and even on steep slopes can also ride smoothly transmission.
Ordinary bike is just a pure means of transportation, basically can not achieve the purpose of building a strong body, and mountain bike is different, it belongs to the scope of exercise equipment, can replace the means of transportation as a good fitness tool.
The performance is good.If you choose to ride in the mountains or more rugged mountain roads, mountain bikes are very effective.On the one hand, cycling for a long time will not feel tired, and due to the good performance of the bicycle, it can bring the riders physical relaxation.
On the other hand, the speed of mountain bike is better.It keeps the rider strong enough.Second, the ride feels very comfortable.Through the use of mountain bikes, the riders can experience comfort.

Downsides of mountain bike:

Wide tires, large resistance, riding speed is relatively slow;
The seat is very small, and the strength used is the support of the legs, thighs, calves, waists and arms. It is tiring to ride for a long time.