Mountain biking is the sport of riding bicycles off-road, often over rough terrain, using specially designed mountain bikes. Mountain bikes share similarities with other bikes, but incorporate features designed to enhance durability and performance in rough terrain. He named it a «mountain bicycle» for its intended place of use. This may be the first use of that name. The Rough Stuff Fellowship was established in 1955 by off-road cyclists in the United Kingdom. In Oregon, one Chemeketan club member, D. Gwynn, built a rough terrain trail bicycle in 1966. He named it a «mountain bicycle» for its intended place of use. …