NRS Yak Yak Kayak CartProduct Details The NRS Yak Yak XL is the big brother to the NRS Yak Yak. It gives you the same lightweight boat hauling performance with a wider footprint for better stability with larger, heavier hulls. NRS Yak Yak boat carts are 30% lighter than comparable carts. Lightweight, anodized aluminum frame carries up to a 200 pound load. Rubber wraps around the heavy duty plastic wheel for a smooth ride on hard surfaces. 3" wide rim on the 9" diameter