Tire Carrier for CR1 Chase Rack by Armordillo USA. Whether you are on the road or off the pavement, the Armordillo CR1 Chase Rack will fulfill all your needs. Desgined by and for the enthusiast, the CR1 Chase Rack is constructed with premium steel with a diameter of 3". Unlike other chase racks in the market, our spare tire carrier sits above the bed so you will not lose the space needed if you use this rack on or off the road. (Lights and Chase Rack sold separately) Arm your off-road beast with Armordillo, an industry-leading manufacturer of top-of-the-line truck accessories and parts. Years of ingenious engineering and passion for the world's toughest trucks has been poured out into providing hardcore off-road products designed to turn your beefy companion into the embodiment of sleekness, edginess, and aggression.