Enhance your hauling adventures with the Yakima Set of 2 RoundBar Xl 78-Inch Steel Round Roof Rack System Crossbars. Crafted for strength and resilience, these iconic crossbars feature robust steel construction that ensures long-lasting durability, providing a reliable foundation for all your gear.The vinyl-wrapped steel construction offers added protection against corrosion, ensuring your crossbars maintain their pristine look despite exposure to the elements. For seamless compatibility with StreamLine towers, the RoundBar Sl Adapter (sold separately) allows you to combine classic design with advanced technology. These crossbars are easy to use, designed for effortless loading and unloading, making them suitable for all experience levels. Customize your setup with optional end caps, available separately or with the RoundBar Sl Adapter and 1A Raingutter Towers, for a sleek, polished finish.