Bikes, or bicycles, are two-wheeled vehicles powered by human pedaling. They consist of a frame, handlebars, pedals, and wheels. Bikes come in various types, including road bikes, mountain bikes, and hybrid bikes, each designed for different terrains and riding styles. Riding a bike is an eco-friendly mode of transportation that promotes physical fitness and reduces carbon emissions. Many people use bikes for commuting, recreation, or exercise. Accessories like helmets, lights, and locks enhance safety and convenience while cycling. Popular events, such as the Tour de France, celebrate biking culture and encourage more people to ride.