Made of durable aluminum the Thule 971XT Helium 3 bike rack is half the weight of other 3-bike racks and comes complete with total lockablity and fits either 2" or 1¼" hitch receivers.  Super easy to install with its no-tool reciever knob, just insert the rack and turn the knob; its that easy!  The Helium also tilts down when not in use to allow easy access to the back of your vehicle while the bike arms fold down to allow extra room for parking and in the garage with the new Hitch Switch.  Also included with this rack is receiver pin lanyard and a new and improved bottom Stinger for better ground clearance and improved receiver fits.