TSUBAKI 40B21F-3/4 Single Strand Sprocket, 40 Chain Size, 3/4 Bore Dia., 21 #
$27.89
Single Strand Sprocket, Bore Diameter 3/4 in, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 3/4 in, Number of Teeth 21, Outside Diameter 3.62 in, Pitch Diameter 3.355 in, Bore Type...