4 1/2 chain ring rating in Bicycling Magazine Fits most mountain, road, women`s and children`s bikes Engineered-resin construction is the strongest on the market Built with 100% recyclable, non-rusting materials Absorbs road shock and other bike-jostling evils Easily adjusts to fit most vehicle styles: sedans, hatch backs & minivans Non-marring thermoplastic rubber foot pads adjust to the contours of the vehicle Integrated straps are designed to hold & stabilize bikes Arc-based design fits over spoilers and separates bikes on three different levels 2 Bike Trunk Black 70lbsUPC/EAN/GTIN: 012527008919