Abstract: Exercising apparatus which comprises a bicycle stably supported on a stand on a surface with the rear wheel of the bicycle free of the surface. The stand comprises a ground-engaging base, a pair of projecting rods which engage, detachably, in a pair of hollow lugs secured to the rear axle of the bicycle, a second pair of rods, one end of which is pivotally connected to the first pair of rods and the other end of which is pivotally connected to a plate which detachably engages another plate secured to the frame of the bicycle in the region of the pedals, and a roller adapted to be brought into frictional engagement with the rear wheel of the bicycle.