This Architectural Drawing is AutoCAD 2d drawing of Motorbikes 2d cad blocks in AutoCAD, dwg file. A motorcycle, often called a motorbike, bike, cycle, or (if three-wheeled) trike, is a two- or three-wheeled motor vehicle. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding.