I love mountain biking, What do you think about it?
I really enjoy it!  I especially like to ride on mountain trails, singletrack, fire roads, and other unpaved surfaces.
Riding on the trails is great, Mountain bikes were in fact pioneered by Americans to be recreational.
Trail riding
Trail riding is riding outdoors on trails, bridle paths, and forest roads, but not on roads regularly used by motorised traffic. A trail ride can be of any length, including a long distance, multi-day trip. It originated with horse riding, and in North America, the equestrian form is usually called "trail riding," or, less often "hacking." In the UK and Europe, the practice is usually called horse or pony trekking.
The modern term also encompasses mountain
reached via forest-service roads or singletrack trails. Mountain bikes specific to bike-packing use a slightly taller frame to get the maximum framebag capacity. This is achieved by using a longer headtube, a more horizontal top tube and a reduced stem degree.
Generally, bikepackers tend to cover anywhere from 25 to 75 miles (40 – 120 km) in a given day as the riding can be technical.
Risks.
Injuries are a given factor when mountain biking, especially in the more extreme disciplines such