Complete band of high-speed ball bearings for XII are employed through drivetrain for optimum drivetrain effectiveness. All ball-bearings have really in fact the truth is top tolerance and offer maximum performance. Ball-bearings the steering system are carefully oiled with Aero Shell® Fluid 12 for maximum smoothness and stamina. Highest-quality, independently determined, chosen and inspected bearings produced based on XRAY’s greatest tolerance requirements.