Welcome to the Bicycle rental group of SmartGuy.com. Feel free to interact with other professionals from across the world. You can find professionals, find deals on services, find professionals who might barter, or simple post questions, comments, or suggestions. bicycle, also known bike, is a human-powered, pedal-driven vehicle, having two wheels and attached to a frame, one behind the other. People have enjoyed renting bicycles for both fun and exercise.