A bicycle can be large, medium or small. Can have different colors, starting from red to yellow or black. Consists of a bicycle: the frame, steering, seats, pedals, chain, brakes, gears, two tires, and many smaller components. A bicycle is moved by working muscles of legs. On a bike can ride with people of all ages. On a bike you can grow cycling, ride in the mountains or the skatepark. For safety we have to buy a helmet on your head, protectors on elbows and knees. A bicycle is a good way to spend free time.