noun🔗Shareتروس السلسلةThe 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."The cyclist inspected the chainrings on his bike, making sure they were clean and undamaged before his long ride. "فحص الدراج تروس السلسلة على دراجته، وتأكد من أنها نظيفة وغير تالفة قبل رحلته الطويلة.vehiclesportmachinetechnologypartChat with AIVocabulary GamePractice Reading