A bicycle having a frame with two sections spaced apart at a distance, one section a left and one a right section, three connection respectively for a saddle, crank and front fork connected to the left and right sections. A rear fork is connected to the frame by a rotatable connection having an axis, and the rear fork can rotate from an extended position to a folded position where a wheel affixed to the rear fork inserts between the left and right sections. The rear fork may also have a series of links and a shock absorber.