PEAKTOW PTW0003 Air Filled 14.5 Inches Universal Replacement Wheelbarrow Wheel Tire with Adapter Kit : Amazon.ca: Patio, Lawn & Garden
MTD 00270 Wheelbarrow Wheel, 14-1/2 in Dia Tire, Knobby Tread, Polyurethane Tire
Marathon Universal Fit Pneumatic (Air-Filled) 14.5-inch Tire and Wheel Assembly, Replacement for 4.80/4-8; 4-8; 4.80-8; 4-6; 3.50-8, Wheelbarrow/Cart Use, Castle Tread in the Wheels & Tires department at Lowes.com
Universal Flat-Free Tire and Rim - Lee Valley Tools
Marathon Universal Fit Flat Free Wheelbarrow Tire on Wheel with Spacer/Bushing Kit Included : Amazon.ca: Automotive