Experience the ultimate in rooftop cargo versatility with the Yakima 78-Inch Lightweight Heavy-Duty Aluminum Hd Crossbars.Crafted from high-grade aluminum, these crossbars combine strength with lightness, easily supporting heavy loads, including rooftop tents, without compromise. Integrated tie-down points on the endcaps simplify securing your gear, ensuring a safe and reliable journey.These crossbars feature strategically placed T-slots on both top and bottom, allowing seamless integration with various Yakima gear mounts. The rubber infill in the top T-slot helps protect your gear while reducing wind noise for a quieter ride. A durable black powder-coat finish enhances longevity, providing resistance to the elements while maintaining a sleek look. These crossbars are compatible with all StreamLine towers using the Hd Bar Sl Adapter (sold separately), offering maximum flexibility for your rooftop cargo needs.