Three bike capacity -4 1/2 (out of 5) 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 -Easily adjusts to fit most vehicle styles: sedans, hatchbacks and minivans -Non-marring thermoplastic rubber foot pads adjust to the contours of the vehicle -Integrated straps are designed to hold and stabilize bikes -Arc-based design fits over most spoilers and separates bikes on three different levels. Free shipping on all order over $100.00! This item ships for FREE!