chainring
Noun
Meaning
chainring (plural chainrings)
The large forward ring on a bicycle that a chain attaches to, in order to transfer energy to a wheel. It consists of one or more sprockets that are driven by the cranks and pedals of the bicycle.
Coordinate terms: pinion, spider
Holonym: crankset
Anagrams
Examples
A bicycle with shaft drive instead of a chain With a chain drive transmission, a chainring attached to a crank drives the chain, which in turn rotates the rear wheel via the rear sprocket(s) ( cassette or freewheel ).
A dérailleur system normally has two dérailleurs, or mechs, one at the front to select the chainring and another at the back to select the sprocket.
Otherwise, the relatively lighter and less expensive double chainring may be better.