A device for mounting a bicycle, regardless of the positioning of the top cross-bar, to a bicycle rack, the device includes a bicycle attachment member, a mounting member, and a connection member. The bicycle attachment member is dimensioned to cooperate with a seat positioning member of the bicycle to secure the bicycle attachment member to the seat positioning member. The mounting member extends at an angle relative to the bicycle attachment member. The connection member connects the bicycle attachment member to the mounting member, wherein the bicycle is maintained in level position on the bicycle rack during transport.