The Sicma 4224255 Gear Z19 is an authentic OEM replacement part specifically designed for various Sicma flail mowers, including RM, RMD, RML, and RMT series. This critical gear features 19 teeth, a 30 mm bore diameter, a 65 mm outer diameter, and a 25 mm width. Weighing 0.35 kg, it ensures precise power transmission and robust performance, maintaining the efficiency and longevity of your agricultural machinery.