Allen Sports Premium 3-Bike Hitch Mount Rack (1.25 or 2-Inch Receiver) 3-bike rack fits vehicles with either a 1.25 or 2-inch trailer hitch and features the new Quick Carry Arm Release 16-inch long carry arms individually secure bicycles with Allen's patented tie-down system Folding carry arms quickly drop out of the way when rack is not in use Rack sets up and installs in less than 5 minutes Sturdy steel construction with black powder coat finish; Lifetime warranty