Modular motor vehicle integrated carrier rack and storage system with universal connections

A removable adaptor bar device for coupling with and securely transporting a bicycle using a vehicle, comprising:

• an outer sleeve;
• an inner sleeve, operable to slidably engage with the outer sleeve;
• an adjustable clamp for securing the outer and inner sleeves in a fixed position with respect to each other;
• a first engagement mechanism coupled with an end of the outer sleeve;
• a second engagement mechanism coupled with an end of the inner sleeve and opposite the first engagement mechanism;
• and
• a primary coupling mechanism for coupling with a complementary coupling mechanism of a transportation or storage apparatus,
• wherein the first and second engagement mechanisms are operable to couple with a seating post of a bicycle and a post near handlebars of the bicycle for securing the bicycle during transportation or storage.