A bicycle with attitude that cannot be kept to civilized places, a mountain bike wants to hit the trails and the slopes and brave the rugged outdoors. Mountain bikes aren't delicate racing wheels, but tough, no-nonsense machines.
Mountain bikes feature excellent gear action and reliable brakes, often on both wheels, as well as sturdy construction that lets them take some punishment. A mountain bike is great for camping trips and trail rides. Scale it on a mountain bike.