Mountain bike

Mountain biking originated in San Francisco, USA in 1977. Designed to ride on mountain bikes, usually with a transmission that can change labor-saving or fast gears. Some of them have shock absorbers installed on the frame. Some of the tires are made of chocolate tread pattern to facilitate the road without paved bicycle surface. Ride. The dimensions of mountain bike parts are generally in imperial units. The rim is 24/26/29 inches, and the tire size is generally 1.0-2.5 inches. The size of the frame is also in English units, such as 14", 17", 19" to indicate the size of the frame. It is divided into many categories in detail, and the ones we commonly see are generally xc. Variable speed, rough tire grip is suitable Off-road, there is a shock absorption system to reduce bumps. The overall strength is greater and the impact resistance is strong. Compared with ordinary bicycles, it is less likely to be damaged when riding hard.