Click to expand Tap to zoom 50X45 Weld Sprocket for X Series Weld Hub 45 Tooth Sale $43.37 SKU WELD50X45 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 50x45 Weld Sprockets Bore to Fit X-Hub 2" Fits #50 Roller Chain 45 Tooth Outside Diameter = 9.310" Pitch Diameter = 8.960" These are Flat Plate Steel Weld Sprockets FREE SHIPPING