Assertion: rear sprocket | /r/HasProperty | mounted on a freewheel mechanism
Facets:
value: of being affixed to the wheel
type: OTHER
Source sentences:
text: On a bicycle, instead of being affixed to the wheel, the rear sprocket is mounted on a freewheel mechanism, which is either built into the hub of the wheel — a "freehub" — or attached to the hub, making it a true freewheel.