Supports a wide range of bike frame geometries and tube diameters from 0.8 to 3.5 in. (20 to 90 mm) Moveable head that rotates, slides, and adjusts flexibly to fit different bike sizes and styles, making sure it always finds the perfect position on the frame You can load and unload up to two bikes in any order – all types of frames and geometries are supported Folds into a compact unit for easy storage in tight spaces Carrier tilts down to allow access to the trunk at all times