This 37 tooth rear sprocket is made from hardened, corrosion resistant steel. This sprocket is a direct fit for the bulk of the standard rim sizes we carry. Commonly (though not exclusively) used for 50cc to 500cc dirt bikes, ATVs, go karts and buggies. Approximate dimensions:
Outside Diameter: 154mm
Centre Hole Diameter: 52.2mm
Mounting Hole (centre-centre): 48mm
Mounting Hole (centre-centre diagonal): 68mm
Bolt Hole: 8.6mm
Thickness: 6.6mm