Detachable bicycle

A detachable bicycle, comprising:

• a front frame section comprising a head tube, a fork, a stem, a front wheel releasably coupled to the fork, a top tube, a down tube, a seat tube interconnected rear ends of both the top tube and the down tube, a seat post extended upward from the seat tube, and a saddle on the seat post;
• a rear frame section comprising two foot pedals, a sprocket wheel, a bottom bracket coupled to both the foot pedals and a front axle of the sprocket wheel, a chain stay extended rearward from the bottom bracket to an axle of a rear wheel, and a seat stay comprising a rear end coupled to the axle of the rear wheel;
• and
• detachable means comprising a first assembly device including a lower first sleeve extended upward from the bottom bracket, the first sleeve including a snap member, and an upper second sleeve at a lower end of the seat tube, the second sleeve featured a mating snap member adapted to releasably couple to the snap member of the first sleeve;
• and a second assembly device adjacent a top end of the seat tube, the second assembly device including a first coupling device formed on the seat tube and a second coupling device formed at a forward end of the seat stay, the first and the second coupling devices being releasably coupled together;
• wherein the first sleeve further comprises at least one top radial slit so that a top of the first sleeve is adapted to radially, flexibly compress when a compression force is exerted inward, radially thereon, and further comprising a ring fastener put on the top of the first sleeve for applying an inward force for fastening the first and the second sleeves together.