Click to expand Tap to zoom 50X72 Weld Sprocket for X Series Weld Hub 72 Tooth Sale $89.00 SKU WELD50X72 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 50X72 Weld Sprockets Bore to Fit X-Hub 2" Fits #50 Roller Chain 72 Tooth Outside Diameter = 14.690" Pitch Diameter = 14.329" These are Flat Plate Steel Weld Sprockets FREE SHIPPING