Click to expand Tap to zoom 25A22H-SB Type A Plate Sprocket for #25 Roller Chain 22 Tooth Sale $11.25 SKU 25A22H-SB 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart #25 A Plate Sprocket with Stock Bore Tooth #: 22 Stock Bore: 3/8" Outside Diameter: 1.889" Pitch Diameter: 1.757" Free shipping in the USA! (Picture not of exact product)