Abstract: A bicycle chain cleaner fitted on a spray can of cleaning and lubricating solution, comprising: a lower half-shell and an upper half-shell, which are provided centrally with a flat and elongated tray, respectively for collection and for covering the region where a sprayed solution is dispensed, the half-shells being provided with an inlet and an outlet for the chain, which are aligned and co-planar; articulation elements, which are interposed between the half-shells; elements for coupling to the top of the spray can one of the half-shells; and a sort of trigger, which is associated with the other one of the half-shells in order to make the edges of the half-shells mate, respective brushes with tufts of radial bristles being fitted in the half-shells so that they can rotate, the tufts being adapted to penetrate, when the chain advances in the half-shells, between links of the chain.