The SideBar heavy dutieside rails increase the utility of our OverHaul HD™ and OutPost HD™ truck rack systems with more carrying space. Available in two size options and a telescoping design, it’s always a perfect fit. The full-length T-slot and 100-lb. capacity make it easy to attach more accessories and gear. Now you can customize your Yakima truck rack system to securely handle a wider range of outdoor fun.