Versatile design fits nearly all styles of bikes up to 60lbs with zero frame contact AutoAttach system makes installation and removal simple and tool-free Integrated wheels help to maneuver the rack on and off the vehicle Possible to increase the load capacity to 4 bikes by adding Thule T2 Pro XT Add-On Product details Hitch Mount Swing Away Folding The Thule T2 Pro XT 2-1.25Hitch Mounted Bike Carrier provide maximum strength security and user-friendliness. The T2 Pro XT is ideal for carbon frames mountain downhill e-bikes and fat bikes as it fits 20 – 29wheels and up to 5tires without adapters. This bike carrier features a complete locking convenience system that allows locking to the bike rack to the receiver with the integrated cable lock and lock knob. The T2 Pro XT eliminates the bike interference by adjusting side to side to create generous spacing between bike mounts and It’s easy to install and remove the bike rack with the tool-free AutoAttach system. The Thule T2 Pro XT 2-1.25Bike Hitch Mounted Bike Carrier is the best choice for the bike enthusiast.