Browse our online inventory of finish bore sprockets and filter by bore size, chain size, and number of teeth. Different manufactures list the same finished bored sprockets with different bore nomenclature. Sprockets labeled “BS” or “FB” are the same sprocket. Find more information on roller chain sprockets including dimensions, weight, and shipping information on the product pages. Not seeing the finish bore sprockets you were looking for? Request information or give us a call today.