Downhill mountain biking — one of the events in mountain bike competitions and a type of mountain bike race. It is known as the most intense form of mountain biking. The annual “Red Bull Downhill” race is considered the ultimate challenge for downhill riders, testing their strength, endurance, skill, courage, and confidence. It is also among the top global mountain bike competitions.
Downhill biking, fully known in English as “Down Hill,” abbreviated as “DH” — down (falling), hill (small mountain) — translates to downhill or alpine downhill, also referred to as gravity riding. It involves riding or jumping down from high elevations such as hills at high speeds.
Unlike other forms of cycling, this sport involves minimal pedaling and combines fast and slow techniques. It is primarily a competition based on skill and bravery. The course is entirely downhill and consists of a mix of single tracks, jumps, slow sections, fields, forest paths, and gravel roads. Riders compete in individual time trials, with rankings determined by performance.
DH is thrilling and intense
As an extreme sport known for its intensity and danger, DH has been extremely popular in some European and American countries for quite some time. The reason is simple — it’s highly challenging. Imagine speeding down complex and ever-changing mountain trails on a bicycle at 50–80 km/h or even faster, jumping and soaring through the air, using body positioning to increase speed through corners. The level of risk is certainly no lower than that faced by F-1 drivers racing at 200–300 km/h, approaching airplane speeds, on the track. But many mountain bikers believe the adrenaline rush and extreme thrill provided by DH cannot be matched by mechanically-produced sensations, such as those from Formula 1 cars or motorcycle racing.
Experience the feeling of flying
Due to the extremely high speeds and inherent dangers of DH, protective gear for athletes cannot be overlooked. A DH rider needs more than just high-quality (and preferably colorful) cycling apparel and a pair of mountain bike shoes. They also wear a lightweight yet highly protective “full-face helmet” specially designed for motocross and DH. These helmets usually have a high-strength carbon fiber shell, foam inner lining, a cushioned grille in front of the mouth and nose, along with a highly transparent visor. Additionally, there’s a full set of body protection gear, including a chest protector that connects to shoulder pads, arm guards, elbow pads, wrist guards, and a chest plate. There are also shin-length metal or plastic knee guards and a waist belt. Of course, a pair of soft, high-quality leather gloves is essential. Bike shorts are also specially designed, with extra padding in key areas such as the inner thighs and buttocks. The structure and components of DH bikes are directly related to rider safety. A DH bike can generally be divided into several main parts. First is the frame — most DH frames use a central suspension system with a shock absorber in the middle, typically made from pressure-formed aluminum alloy or carbon fiber. The frames are relatively heavy, with well-known brands including Commencal, Santa Cruz, Specialized, TRANSITION, GT, DIAMONDBACK, and CANNONDALE. The front forks are also crucial and are divided into two types: high-mounted suspension forks, commonly known as “twin crown forks,” and low-mounted suspension forks. Famous suspension fork brands include FOX, ROCK SHOX, CANNONDALE, MANITOU, MARZOCCHI, and MAGURA. Furthermore, components like chainrings, cassettes, and derailleurs mostly come in groupsets. The XTR series produced by Japanese manufacturer SHIMANO is highly regarded, but many riders prefer drivetrain components from American brand SRAM for their durability and quick response (SRAM has a 1:1 response ratio, while Shimano's is 1:2.5). Given the high speeds in DH, most riders opt for high-performance disc brakes.