Velocity 1/28's Ceramic Hybrid, abec9 race bearing are an incredible addition to any 1/28 scale chassis. Kit contains: (6) 2.5x3.0x5,0 and (1) 2.5x2.0x5.0 High precision race bearings that will bring your car to a whole new level! Available now at a very special, introductory price for a limited time!