The Stiga 3822072021LC is a genuine main blade shaft assembly designed for various Stiga, Castelgarden, Alpina, Mountfield, and GGP ride-on mowers. This essential component ensures the proper rotation and secure mounting of the mower blade, contributing to efficient and consistent cutting. With an overall length of 170 mm and a shaft length of 140 mm, it features a 20 mm inner diameter for the pulley and a 22 mm outer diameter for blade attachment. Bearing housing dimensions are 40 mm outer diameter and 20 mm inner diameter, with a fixing center distance of 65 mm. It replaces OEM part numbers 82207202/1 and 182207202/1.