Roller Chain; 20B Chain Size; Riveted; 31.75MM Chain Pitch; Standard Chain Series; 1 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; 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; 100 Chain Size; Riveted; 1-1/4" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 3/4" Roller Diameter; 0.744" Roller Width; 0.157" Plate Thickness; 1.181" Plate Height; Curved; 3/8" Pin Diameter

Chain Link; 20B-3 Chain Size; Spring Clip; 31.75MM Chain Pitch; Standard Chain Series; 3 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