Delivers maximum strength/security and user friendliness. Easy to install or remove the rack w/tool-free. AutoAttach system Integrated cable lock and lock knob secure rack and bikes. Eliminate bike interference by adjusting side to side. Carrier easily folds when not in use Tilts away from vehicle for rear access w/HitchSwitch lever Ideal for carbon frames/mountain/downhill/and fat bikes. Fits 20-29 in. wheels and up to 5 in. tires w/o adapters. Carries 2 Bikes Carries up to 4 bikes with Thule T2 Pro XT Bike Add-on Limited Lifetime Warranty.