The Union Cycliste Internationale (UCI) is the world governing body for the sport of cycling. Founded in 1900, it oversees international cycling competitions and sets the rules for various cycling disciplines, including road racing, track cycling, mountain biking, and BMX. The UCI is responsible for organizing major events, such as the UCI Road World Championships and the UCI Mountain Bike World Cup. The UCI also promotes cycling globally, working to develop the sport at all levels, from amateur to professional. It establishes rankings for riders and teams, ensuring fair competition. Additionally, the UCI is involved in anti-doping efforts to maintain the integrity of the sport.