Two 5 x 8 x 2.5 mm ball bearings designed as replacement parts for compatible kit components.

These premium, ball-raced bearings deliver ultra-smooth operation in all conditions and are precision manufactured for fast, easy fit and consistent servicing. They feature double shields for added durability and tight tolerances for safe assembly, with an inside diameter of 5 mm, an outside diameter of 8 mm, and a thickness of 2.5 mm.