Bicycles are efficient, eco-friendly vehicles powered solely by human effort. Designed with two wheels, a frame, pedals, and handlebars, they provide an affordable and healthy mode of transportation. Cycling improves cardiovascular fitness, strengthens muscles, and reduces stress while minimizing carbon emissions. Bikes come in various styles, including road, mountain, hybrid, and electric, catering to different needs and terrains. Urban commuters favor lightweight models for speed, while off-road enthusiasts prefer sturdy mountain bikes for rough trails. Safety gear like helmets, lights, and reflective clothing is essential for protection. Regular maintenance—such as checking tire pressure, brakes, and chains—ensures smooth rides. Whether for recreation, sport, or daily travel, bicycles promote sustainability and physical well-being, making them a valuable choice for individuals and communities alike.