Click to expand Tap to zoom 25A20H-SB Type A Plate Sprocket for #25 Roller Chain - 20 Tooth - 1/4" Stock Bore Sale $13.30 SKU 25A20H-SB 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. #25 A Plate Sprocket with Stock Bore Tooth #: 20 Stock Bore: 1/4" Outside Diameter: 1.729" Pitch Diameter: 1.598" Free shipping in the USA! (Picture not of exact product)