Click to expand Tap to zoom X-22MM Metric Bore Weld Hub Sale $39.50 SKU X-22MM 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Weld on hubs are often attached to pulleys, sheaves, and sprockets to provide a tapered bore to match the tapered outer surface of the bushing. KEYWAY: 5mm Bore: 22mm FREE SHIPPING