The rack is equipped to carry a conventional bicycle with a wheel diameter of at least 20 inches to a maximum of 29 inches and a maximum width of 2.35 inches for bicycle frames with a wheel base of less than 44 inches. Tricycles, motorized bicycles and bicycles with child carriers, trailers or that have mounted equipment on them are not permitted on the bike rack. Bicycles must weigh less than 55lbs. (25kg)