Wheels, aluminum (red-anodized) (2)/ 5x8mm ball bearings (4)/ axles (2)/ rubber tires (2) Machined Aluminum Ball Bearing Wheels with Rubber Tires: Traxxas now offers an impressive set of red and blue-anodized machined aluminum wheelie bar wheels with rubber tires. The precision 6061-T6 aluminum wheels feature a stunning anodized finish