This is a set of six 6x12x4mm rubber sealed ball bearings from Redcat, sized for a range of Redcat 1:10 scale vehicles. The rubber seals help keep out dirt and debris, making these well suited for off-road and rock crawling use. These are factory replacement bearings intended to restore smooth rotation to wheels, axles, and other rotating components. Features: 6x12x4mm metric sizing Rubber sealed on both sides Metal construction Sold as a set of 6 Factory Redcat replacement parts 7/7/26 cs