Traxxas 5116 Rubber Sealed Replacement Ball Bearings for RC Cars 5x11x4 (10 Units) (10)Traxxas 5116 Rubber Sealed Replacement Ball Bearing RC Car Kit 5x11x4 RC Car Kit contains all upgraded bearings to replace your stock factory bearings and bushings. ABEC rated with Chrome Steel balls, Hi-temperature, low drag lubrication. Maintenance free rubber seals to keep the contamination out and the grease in. Complete Ball Bearing Kits are custom packaged for your vehicle. Genuine FastEddy Bearings, The most trusted name in RC Bearings.