The adjustment ring for the satellite gear of the Citroën 11CV is a crucial component for tuning the differential. This ring ensures proper alignment and function of the gear system that houses and streamlines the satellite gears. It promotes efficient power transmission and smooth driving performance. A well-adjusted ring prevents wear on other parts and extends the life of the "traction avant" system in the Citroën 11CV. This part is vital for an optimal driving experience and preserving the classic driving style of this iconic vehicle.