A bike, short for bicycle, is a two-wheeled vehicle that people ride for fun, exercise, or transportation. It consists of a frame, handlebars, pedals, and a seat. Riding a bike is a great way to stay active and enjoy the outdoors. Many people use bikes to commute to work or school, making it an eco-friendly choice. There are different types of bikes, such as mountain bikes for rough terrains and road bikes for smooth surfaces. Some people even enjoy riding electric bikes, which have a motor to assist with pedaling. Overall, biking is a popular and enjoyable activity for all ages.