Brand x plus sealed bearing 6901 v2rs bearingbrand x plus bearings are a high quality replacement sealed cartridge bearing specifically designed for suspension pivots standard radial bearings use 14 balls whereas brand x has squeezed the maximum number of 25 balls into each plus bearing this means that they have a much higher load capacity and improved resistance to lateral forces 2x rubber seals keep the elements out and the grease in which will keep them running smooth precision engin