Patent ID: 6854752

Claim:
A detachable bicycle, comprising: a front frame section including a head tube, a fork, handlebars, a handle tube interconnecting the handlebars and the head tube, a front wheel, and a first crossbar having a rear open end and first fastening means; a rear frame section including a bottom bracket, a pair of pedals coupled to the bottom bracket, a sprocket wheel coupled to the bottom bracket, a rear wheel, a chain stay extended rearward from the bottom bracket to an axle of the rear wheel, and a seat tube extended upwardly the bottom bracket, a seat stay having a rear end coupled to the axle of the rear wheel, a seat post inserted into the seat tube, the seat post having a top saddle, a quick release at a top opening of the seat tube, the quick release being adapted to secure the seat post and the seat tube together, a second crossbar for receiving the open end of the first crossbar, the second crossbar having second fastening means for matingly coupling to the first fastening means when the open end of the first crossbar is inserted into the second crossbar, an oblique down tube interconnecting the second crossbar and the bottom bracket, and an oblique connecting tube interconnecting the second crossbar and the seat tube; and a fastening mechanism including a first ring fastener and a second ring fastener, wherein the ring fasteners are operative to fasten a front end and a rear end of the second crossbar on the open end of the first crossbar.