Info:Martin 100A20SS Type A Single Strand Solid Reboreable Roller Chain Sprocket, 1.25 to 6.613 in Dia Bore, 8.642 in OD, #100 Chain, 20 Teeth, 1-1/4 in Pitch, 303/304 Stainless Steel
Info:Martin 100A21SS Type A Single Strand Solid Reboreable Roller Chain Sprocket, 1.25 to 7.014 in Dia Bore, 9.043 in OD, #100 Chain, 21 Teeth, 1-1/4 in Pitch, 303/304 Stainless Steel
Info:Martin 100A22 Type A Single Strand Solid Stock Bore Roller Chain Sprocket, 1-1/4 in Dia Bore, 9.444 in OD, #100 Chain, 22 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100A25 Type A Single Strand Solid Reboreable Roller Chain Sprocket, 1.25 to 8.615 in Dia Bore, 10.645 in OD, #100 Chain, 25 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100A29 Type A Single Strand Solid Reboreable Roller Chain Sprocket, 1.25 to 10.214 in Dia Bore, 12.244 in OD, #100 Chain, 29 Teeth, 1-1/4 in Pitch, Steel