The invention discloses a bicycle with spare wheels, comprising a front fork, a front wheel positioned on the front fork through a front axletree, a rear fork, a rear wheel arranged on the rear fork via a rear axletree, flywheels, and a frame. One movable joint is positioned on an arm at one side of the front fork, and the other movable joint is arranged on an arm at one side of the rear fork; a hanger for bicycle wheels is arranged on the frame. Compared with the prior art, the invention overcomes the great troubles in assembling or disassembling the bicycle wheels and inconvenient use causedby the lack of the spare wheels.