These are great
My only complaint is the noise they create. These whistle a bit. I added a fairing which reduced the whistling, but the fairing houls.
These bars are super easy to set up with a variety of Thule pieces. I have put a box and my bike racks on there. The Thule stuff is super stable! My old Yakima stuff doesnt even compare! If you are buying a new rack, buy Thule, super easy to install and easy to figure out and order.