Assertion: bicycle's speed | /r/HasProperty | single-
Facets:
Source sentences:
text: As a general rule, fixed-gear bicycles are single-speed.
text: Derailleur mechanisms can only be used with chain drive transmissions, so bicycles with belt drive or shaft drive transmissions must either be single speed or use hub gears.
text: A horizontal dropout on a steel frame road bicycle converted to a single-speed .