A bicycle is a machine for travel. It has a frame. The frame is the main body of the bicycle. There are two wheels. The wheels are round and have tires. You use the handlebars to steer. Your hands go on the handlebars. You push the pedals with your feet. The pedals make the wheels move. A chain connects the pedals to the back wheel. You sit on the seat. The seat is on top of the frame. Brakes help you stop the bicycle. All these parts work together to move.