Brand x plus sealed bearing 6001 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 engineered from suj2 steel for high strength and durability.features precision engineered, replacement sealed cartridge bearing for suspension pivots additional bearings give a higher load capacity and improved resistance to lateral forces rubber seals protect from the elements suj2 steel gives high strength and durability size 12x28x8mmbuy brand x components from chain reaction cycles, the world's largest online bike store.