Sprocket, For Bushing Size Q1, For Bushing Type Split Taper, For Chain Pitch 3/4 in, Material Steel, Number of Teeth 20, Outside Diameter 5.185 in, Pitch Diameter 4.794 in, Chain Number 60, For Number of Strands Single, Finish Black Oxide, Hub Diameter 3 7/8 in, Hub Projection 1.291 in, Hub Type One Side, Length through Bore 1 3/4 in, Material Grade 1045, Resistance Properties , Teeth Heat Treatment Hardened Teeth, Tooth Width 0.459 in, Width with Bushing 2.49 in