Image Item No. Description  100942pb01  Wheel Hard Plastic, Treaded 49.5mm D. x 37.5mm with Molded Flat Silver Spokes Pattern Catalog: Parts: Wheel  65630pb01  Wheel Small with Stub Axles with Molded Black Hard Rubber Tire Pattern Catalog: Parts: Wheel  24314pb02  Wheel Wheelchair with Molded Bright Green Hard Rubber Tire Pattern Catalog: Parts: Wheel