Info:Martin 100C76 Type C Single Strand Welded Reboreable Roller Chain Sprocket, 1-1/2 to 5-1/4 in Dia Bore, 30.972 in OD, #100 Chain, 76 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100C80 Type C Single Strand Welded Reboreable Roller Chain Sprocket, 1-1/2 to 5-1/4 in Dia Bore, 32.565 in OD, #100 Chain, 80 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100C84 Type C Single Strand Welded Reboreable Roller Chain Sprocket, 1-1/2 to 5-1/4 in Dia Bore, 34.157 in OD, #100 Chain, 84 Teeth, 1-1/4 in Pitch, Steel