Click to expand Tap to zoom 40A13H-SB Type A Plate Sprocket 13 Teeth for #40 Roller Chain Sale $9.90 SKU 40A13H-SB Quantity One - $9.90 Price Each for 2 to 4 - $8.60 Price Each For 5 or more - $7.70 title Quantity One Price Each for 2 to 4 Price Each For 5 or more 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 40A13H - SB (1/2") Bore Heat Treated Type A PLATE Sprocket for #40 Roller Chain 13 tooth Outside Diameter = 2.33" Pitch Diameter = 2.089" Free shipping in the USA!