Assertion: bicycle | /r/HasProperty | basic layout
Facets:
Source sentences:
text: Of course the materials used, technologies employed, and safety equipment utilized have all improved a great deal, but two wheels, one of which is linked to pedals by a chain, is still the basic layout.
text: Bicycles, tricycles and quadracycles share (with minor variations) several basic parts including wheels, pedals, cranks, forks, and the saddle with unicycles.