Adapter for use with the Sport Rider car rack that allows users to carry one E-trike and one E-bikeThis is an add-on for the HR1500 (#450385) - Not a stand alone trike rackNot to be used on any RV, Travel Trailer, 5th Wheel, hitch extenders or towed vehiclesFor use on a 2` (Class III) hitch only - Do not use a 1-1/4`-2` adapterMax Wheelbase: 60`Max Track Width: 36`1 E-Bike & 1 E-Trike2`Black170lbsUPC/EAN/GTIN: 014658875323