Bicycle +
![Bicycle](https://files.ozbargain.com.au/t/64/3064.jpg?h=249c8b49)
A bicycle, often called a bike (and sometimes referred to as a "pushbike", "pedal bike", "pedal cycle", or "cycle" ), is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist.