The Swagman SEMI 2.0 is designed to handle a wide range of frames and styles.For those with carbon frame bikes, this is the mount of choice as the hook attaches to the wheelto the wheel, avoiding contact with the frame while providing maximum stability.-Suitable for Class 2 - 11/4" and Class 3 - 2" hitch receivers-Fits wheels from 20" to 29-Fits tire widths up to 3" (not suitable for Fat Bike)-Carries up to 2 bikes with a maximum weight capacity of 45 lbs / bike-Zero Frame Contact ratchet arms only grip the wheels-Ratchet strap on rear wheel holds bike firmly and secures wheels- Tilts down to allow access to the rear of the vehicle even when the bikes arebikes are loaded-Integrated cable locks included-Lockable threaded hitch pin included