Chain Link; 20B-2 Chain Size; Cottered; 31.75MM Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ISO; 19.05MM Roller Diameter; 19.56MM Roller Width; 4.5MM Plate Thickness; 26.4MM Plate Height; Curved; 10.19MM Pin Diameter

Roller Chain; 20B-2 Chain Size; Riveted; 31.75MM Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ISO; 19.05MM Roller Diameter; 19.56MM Roller Width; 4.5MM Plate Thickness; 26.4MM Plate Height; Curved; 10.19MM Pin Diameter

Chain Link; 20B-2 Chain Size; Spring Clip; 31.75MM Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ISO; 19.05MM Roller Diameter; 19.56MM Roller Width; 4.5MM Plate Thickness; 26.4MM Plate Height; Curved; 10.19MM Pin Diameter

Roller Chain Sprocket; 20B-2 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain; 20B-2 Chain Size; Riveted; 31.75MM Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ISO; 19.05MM Roller Diameter; 19.56MM Roller Width; 4.5MM Plate Thickness; 26.4MM Plate Height; Curved; 10.19MM Pin Diameter