A vehicle composed of two wheels held in a frame one behind the other, propelled by pedals and steered with handlebars attached to the front wheel
a wheeled vehicle that has two wheels and is moved by foot pedals
In graph theory, a pseudoforest is an undirected graphThe kind of undirected graph considered here is often called a multigraph or pseudograph, to distinguish it from a simple graph. in which every connected component has at most one cycle.
drive: travel or be transported in a vehicle; "We drove to the university every morning"; "They motored to London for the theater"
A machine, esp. one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts
A source of power, energy, or motive force
machine that converts other forms of energy into mechanical energy and so imparts motion
centrifugal: conveying information to the muscles from the CNS; "motor nerves"
A circular object that revolves on an axle and forms part of a machine
steering wheel: a handwheel that is used for steering
a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
Used in reference to the cycle of a specified condition or set of events
A circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground
change directions as if revolving on a pivot; "They wheeled their horses around and left"
Getting closer...
Now all that's left is fitting the rear wheel gear and chain and finishing the electrics.
January 2012
Motor In The Wheel
A very early motorised bicycle in the Transport Museum, Coventry.