noun Download 🔗Share 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. Examples : "The cyclist inspected the chainrings on his bike, making sure they were clean and undamaged before his long ride. " vehicle sport machine technology part Chat with AIVocabulary GamePractice Reading