YellowRC Traxxas Maxx WideMaxx Bearing Kit: (2pc) 5x8x2.5 / (3pc) 6x13x5 / (4pc) 6x16x5 / (2pc) 8x12x3.5 / (1pc) 8x16x5 / (4pc) 10x15x4 / (7pc) 12x18x4 / (2pc) 12x21x5 / (1pc) 15x24x5