Why not cycle to the office? As the world’s second largest metropolitan area,seoul should address decreasing cars in administrative office areas. This project was aimed at those who do not use bicycles, those who drive their cars every morning to the office. ‘Bikoff’ was born to convince these people to leave theircars and to ride every morning to their offices. ‘Bikoff’ is a small foldeable bike which features a briefcase incorporated into the frame. There is an intimate relationship between the briefcase and the frame. The briefcase completes the frame, giving it great structure. Both are carbon fiber manufactured, providing minimum weight and maximum mechanical resistance.