Roller Chain Sprocket; 12B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 131.724MM Outside Diameter; 121.78MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 24 Teeth; 1 Row of Teeth; Hardened Teeth; 156.134MM Outside Diameter; 145.95MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Chain Connecting Link; 25; Spring Clip; 1/4" Chain Pitch; Standard; 1 Strand; Carbon Steel; ISO; 0.13" Roller Dia; 1/8" Roller Wid; 1/32" Plate Thickness; 0.236" Plate Height; 0.091" Pin Dia

Chain Connecting Link; 35; Spring Clip; 3/8" Chain Pitch; Standard; 1 Strand; Carbon Steel; ISO; 0.2" Roller Dia; 3/16" Roller Wid; 0.051" Plate Thickness; 0.354" Plate Height; 9/64" Pin Dia