Cycling is not just a physical endeavor; it's a masterclass in efficiency. Did you know the chain drive system common on bikes dates back to the 1880s? It's a marvel of engineering that remarkably hasn't been bested for efficiency, often converting over 98% of human energy into propulsion. Imagine, a technology over a century old is still crucial in a world where innovation is rapid and relentless. Let's hear from you now! Ever stumbled upon a fascinating cycling slice of history or tech? Share your discoveries and enlighten us with your stories! ?‍♂️✨