The genuine STIHL 11220071001 sprocket set is an essential component for maintaining the efficient operation of your STIHL chainsaw. Designed for durability and optimal chain engagement, this OEM sprocket set ensures reliable power transfer and extends the life of your saw chain. It is a direct replacement part, engineered to meet STIHL's rigorous quality standards. This sprocket set features an outer diameter of 79.375 mm, an inner diameter of 22.225 mm, and a height of 23.8125 mm, with a weight of 0.0907 kg.