Stock Plain Bore Bore Sprocket, 25 Chain Size, 1/4 Bore Dia., 9 # of Teeth
39 in, Keyway No, Keyway Depth Not Applicable, Keyway Width Not Applicable, Length through Bore 1/2 in, Number of Set Screws 0, Set Screw Location Not Applicable.Sprocket, Bore Diameter 1/4 in, For Chain Pitch 1/4 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1/4 in, Number of Teeth 9, Outside Diameter 0.837 in, Pitch Diameter 0.