Venom Skateboards replacement pivot cups. These urethane cups sit between the hanger and baseplate on your trucks. They allow your trucks to turn smoothly, but over time they can wear out and start to make an annoying creaking noise, this is when they may need replacing. Universal fit, designed to fit most standard skateboard trucks, simple push fit.
Outer diameter is 16mm and internal diameter 11mm, the height is 13mm. Please check sizing below, some old school trucks might not fit.