Comie 4 Bicycle Bike Rack Carrier 1-1.4" & 2" Bicycle Hitch Mount Carrier Car Truck AUT Swing Away Heavy Duty Hitch Mount Bike Carrier Carries up to 4 bikes This bike carrier rack features strong steel tubing along with black powder coating for durable outdoor use. Swing down feature allows access to rear of a car, van, or truck. Two plastic tightening knobs are aligned along with punched holes to lock bikes into a safe and snug hold. Rack mounts on most vehicles with both 1-1/4" and 2" common receiver.