Browning® stock sprockets for extended pitch chain have larger pitch diameters than standard roller chain sprockets as extended pitch chain will not operate satisfactorily on standard roller chain sprockets with less than 24 teeth. They will normally operate satisfactorily on standard roller chain sprockets with 24 or more teeth. Sprockets for extended pitch chain with large rollers are available on special order. Browning® Roller Chain Sprocket, Single Strand, 3/4 to 2-11/16 in Bore Dia, 7.87 in Outside Dia, 2080 Chain, 23 Teeth, 2 in Pitch, 7.413 in, 4-1/8 in Hub Dia, 2-1/2 in Length Through Bore, Type Q1 Split Taper Bushing, Steel