Best wheels: bolted 5″ durable wheels, solid-steel shank eliminates breakable plastic inserts. Sealed ball bearings on axles and casters resist dirt and clay. Durable Basket: solid 1-piece welded frame. Heavy-duty basket and storage tray. Tray is recessed into bottom support arms, eliminating sharp corners.Easy assembly: requires basket, wheels and handle to be bolted on. Available in lime green only.