One of the most trusted names in longboards, Sector 9 brings its followers a platinum bearing worthy of downhill slaloms and leisurely bike-path carves alike. Precision engineered casing, coupled with high density ball bearings and retainers, make this bearing capable of high-speeds and impact endurance. Crafted with heat resistance and reduced friction in mind, Sector 9?s Platinum bearing boasts an impressive ABEC 9 rating, guaranteeing you a smooth, fast ride, no matter where you roll.