Search Results for: Toothed wheels
the most popular bicycle model—and most popular vehicle of any kind in the world—is the chinese flying pigeon , with about million produced. [ ] classic bell of a bicycle a bicycle, also called a bike or cycle, is a human-powered or motor-powered , pedal-driven , single-track vehicle , having two wheels
society, both in terms of culture and of advancing modern industrial methods. several components that eventually played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings , pneumatic tires , chain-driven sprockets and tension-spoked wheels...
https://en.wikipedia.org/wiki/Bicycle