Abstract: A freewheel gear cluster cleaner for cleaning the freewheel gear cluster of a bicycle, including a first clamping plate and a second clamping plate pivotally connected to the first clamping plate by a pivot pin and fixed with the first clamping plate to the chain stay of a bicycle by a screw, a brush holder having a ball head rod fixed to the first clamping plate between two jaw plates thereof by a screw and a brush coupling portion with a series of steps, and a plurality of brush members respectively fastened to the steps of the brush coupling portion to hold a respective bunch of bristles permitting the respective bunch of bristles to be disposed in contact with either gear wheel of the freewheel gear cluster.

Abstract: A gear cleaner for cleaning the speed change gear of a bicycle, comprised a mounting device, and a brush fastened to the chain stays of a bicycle by the mounting device with the bristles thereof disposed in contact with the gear wheels of the speed change gear of the bicycle, the mounting device comprised of two pivoted clamping plates fastened around the chain stays by a screw bolt, the brush having a circular mounting rod transversely linked to the brush head thereof at one end and fitted into a mounting groove on the lower mounting plate of the mounting device.

Abstract: An angle adjustable grip mounting device including a cylindrical connector fastened to either end of a tubular bicycle handlebar by a short tube and a screw nut by means of the control of an adjusting screw to hold a grip by means of two arched symmetrical clamping plates. The grip has a round head held between two arched clamping plates received inside the cylindrical connector, and retained in position by the two arched clamping plates, which are spaced by an opening on the peripheral wall of the cylindrical connector, are fastened together. The screw nut and the short tube become biased on two opposite sides and firmly retained in the tubular bicycle handlebar as the adjusting screw is turned clockwise to move the screw nut toward the short tube.