Martin 40BS17 7/8

B0045JJZ4O

Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5" Pitch, 17 Teeth, 0.875" Bore Dia., 2.974" OD, 2.125" Hub Dia., 0.284" Width

Martin Roller Chain Sprocket, Bored-to-Size, Type B Hub, Single Strand, 40 Chain Size, 0.5" Pitch, 17 Teeth, 0.875" Bore Dia., 2.974" OD, 2.125" Hub Dia., 0.284" Widthzoomprev