99 Cent RC Car & Truck Econo Power bearing kits are the most affordable way to replace stock bearings with high quality standard bearings at just 99 cents per bearing. Boca's Econo Power 99 Cent RC Bearings have long been the industry standard for backyard bashers the world over. These bearings have chrome steel races, balls, retainers and shields. All Econo Power bearings are packed in grease and will require a short break in period to loosen up. Each kit contains bearings for a limited time only at just 99 cents per bearing!