Click to expand Tap to zoom 100A30H-SB A-Plate Sprocket 30 Teeth for #100 Roller Chain Sale $187.00 SKU 100A30H-SB 100A30H - SB (1 1/4") Bore Type A PLATE Sprocket for #100 Roller Chain 30 Tooth Outside Diameter =12.640" Pitch Diameter = 11.959" Free shipping in the USA! 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart More payment options 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.