A PIGNONAS BEARING Citroen 11CV / 15CV SEC.AS G.BOX is a specific bearing used in the gearbox of classic Citroën cars, particularly the 11CV and 15CV models. This bearing is critical for the smooth functioning of the secondary shaft, a component that supports the power transmission within the gearbox. Due to its precise dimensions and robust construction, this bearing provides the reliability and durability needed for vintage cars. It maintains the vehicle's mechanical efficiency by minimizing wear and friction, contributing to the overall driving comfort and the car's lifespan.