64663 Features: -Carries up to 2 bikes. -Fits into a 2″ Class 3 Hitch or mounts to a 4.5″ continuous steel welded RV bumper. -Built-in-anti-wobble hitch device. -Push button ratchet arm easily adjust to secure your bike. Equipment: -Bikes. Product Type: -Trunk Attachment. Capacity: -2 Units. Generic Dimensions: -11″ H x 35″ W x 5″ D, 41 lbs. Dimensions: Overall Height – Top to Bottom: -11 Inches. Overall Width – Side to Side: -35 Inches. Overall Depth – Front to Back: -5 Inches. Overall Product Weight: -41 Pounds.