rear sprocket 60 teeth 420 for Derbi, Aprilia, MH, Rieju, Malaguti, Yamaha 37389

101 Octane sprocket 60 tooth 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: 60