The has 4 large hubs that use quick-release levers allowing fast adjustment of support arms and frame to fit a variety of vehicles. Six straps and oversized tubing stabilize the carrier to the back of the car. Soft cradles with rubber straps and anti-sway cages keep bikes from contacting each other. Integrated cable lock secures bikes to rack. Includes a webbing strap with cam buckle to help with anti-sway. FEATURES• 3 bike capacity• Oversized steel tubing for strength and stability• Integrated cable lock secures bikes on rack• Folds flat for easy storage• 4 quick-release hubs for fast adjustment• 6-point strapping to rear of car• Anti-sway cages• Webbing stabilizing strap included• Arms fold when not in use• Reflectors on carrier armsSPECSLoad Capacity: 33 lbs. per bike (3 bikes)Dimensions: 32" x 22" x 30"Weight: 15 lbs. WHAT'S IN THE BOXComplete Frame and Strap AssemblyCam Buckle Webbing Strap2 KeysInstruction Manual Anti-sway cages keep bikes from contacting each other Integrated cable lock secures bikes to rack Folds flat for easy storage | Hanger BC3 OS Back-Of-Car 3-Bike Carrier