A high-precision bearing suited to the rigours of cycling, this military-grade ABEC3 model is the ideal component to keep your hubs and bottom brackets in tip-top shape. Found in many commonly found, moving bike parts, it comes with chromium steel races, balls, and tough riveted steel retainers to keep you twisting and pivoting as smoothly as can be. Excellently lubricated with Mobile HP 222 grease, this is an essential spare for the workshop tinkerer and maintenance enthusiast.