rear sprocket 52 teeth 420 for Derbi, Aprilia, MH, Rieju, Malaguti, Yamaha 37386

101 Octane sprocket with 52 teeth for 420 drive chain suitable for many Derbi, Aprilia, Motorhispania, Rieju, Malaguti and Yamaha geared mopeds. Mounting hole: 8.5 mm Inside diameter: 105mm hole: 6 PCD: 125mm standard: 420 offset: no / Teeth: 52