Complete group of high-speed ball bearings used through the entire drivetrain for optimum drivetrain effectiveness. All ball-bearings have in fact the maximum threshold and gives maximum performance. Ball-bearings for the steering system are gently oiled with AeroShell ® Fluid 12 for maximum smoothness and durability. Highest-quality, individually calculated, chosen and inspected bearings produced predicated on XRAYs highest limit requirements.