How do you describe a bike?

How would you describe a bicycle in a way that captures its essence and functionality? Is it a simple mode of transportation, or does it embody a sense of adventure and freedom? Perhaps you could discuss the mechanics behind its movement, such as the chain connecting the pedals to the wheels, or the intricate balance required to keep it upright. Additionally, how would you describe the experience of riding a bike - the wind in your hair, the sense of speed and control, and the joy of exploring new places on two wheels?