The Downshift bicycle carrier from SportRack is designed to be a super secure bicycle carrier rack. The Downshift features a specially designed wheel tray allow for the secure transportation and easy loading of any bicycle equipped with any tires. The bike mounts to the Downshift by removing the front tire and bolting it to the carrier. This allows not only a very solid and secure transportation platform, but also peace of mind knowing that your bicycle will be there when you walk away and come back.