Came by the development of road bikes, suitable for ultra long-range travel of self-sufficiency, have more relaxed frame geometry design
To load, has a very low minimum stall, use wider tires and accessories selection of pursuit of reliable, durable and not put too much emphasis on reducing weight, very often it is the mountain bike pedals. Evolved for mountain. Most of the same mountain, but the configuration is flexible. Such as the handlebar can be replaced with a butterfly shape can use many gestures to reduce fatigue in a long time. Front fork shock or can fit into no damping. Wheels can be 700c or 26 inches. But the brake v brake. Can install shelves, tile, and camel packs. All the changes are designed to increase durability and decrease fatigue in long-distance.