Thule 918XT T2 2-Inch Receiver 2 Bike Add-on Hitch Rack for 916XT Allows you to carry two additional bikes; works with existing Thule 916XT T2 hitch bike carrier SecureHook holds the bike by grabbing the front wheel--no frame contact Hitch Switch lever folds and stores platform when not in use or tilts platform down for rear of vehicle access Ideal for carrying bikes with disc brakes and/or non-traditional frame styles. Fits 20- to 29-inch wheel diameter bicycles supporting tires up to 3 inches wide; limited lifetime warranty