• 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