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When you're loading up kayaks or heavy camping gear, you want crossbars that feel rock solid. The Thule SquareBar Evo Roof Rack uses galvanized steel construction to handle serious weight—up to 220 lbs—without flexing. The polymer coating adds extra grip so your cargo stays put and helps prevent corrosion when the weather turns rough.
These square crossbars are built for flexibility. They work with all sorts of clamp-on accessories, so you can mount kayak carriers, cargo boxes, or bike racks using the gear you already own. The straightforward shape gives you a tight, reliable grip around the bar and keeps your load steady on long drives or off-grid trips.
You don’t need factory rails to run this setup. The system includes 2 SquareBars, 4 Evo Clamp feet, and a custom fit kit designed for your vehicle’s naked roof. It installs easily and locks in tight for a sturdy fit that doesn’t shift while driving. You can also add Thule One-Key System locks (sold separately) for extra theft deterrence when you’re parked overnight.
The black polymer coating doesn’t just look good—it protects the steel underneath from rust and wear over years of use. Whether you’re hauling boats to the river or packing up for a cross-country trip, this rack is made to keep going. And with Thule’s limited lifetime warranty, it’s built to stay part of your adventures for as long as you need it.
Ratings & Reviews

Douglas
8/28/2022
My purchase from etrailer.com was world class. And their service was superb. They are a 5-star organization. They are knowledgeable folks with experience in what they sell. They will quickly get you out of what would otherwise be a nasty, complex situation and make it look easy. You can trust this company. Put them to work for you. Note, I do not own stock in this company but wish I did.

Heather A.
11/29/2021
I can see that you got the 52 inch Thule square bars. The square bars are known to whistle compared to the aerodynamic cross bars. I recommend the Thule AirScreen XT part # TH22WV to divert the wind up and over the cross bars to eliminate some of the wind noise.
Helpful Links

Sierra K.
10/29/2021
Most of the time whistling occurs because the rubber strip is not covering the whole channel. You can find installation tips here in the attached expert answer. There will be some wind noise as with all brands of roof racks. Wind fairings greatly reduce that by adding an aero-dynamic ramp allowing the wind to flow over the roof rack. The Thule Wingbar Evo crossbars that you purchased are actually designed to act as a fairing so one would not be needed. You could still get one if you wanted to try it out. This one would be the best match for you: item # Y05018.
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Steven
8/22/2022
Review of Entire set: After a year of using this, it still works very well. Easy to take on and off your car and make slight adjustments if needed. Only maintaining is really just cleaning it which is simple enough. No issues with lockingunlocking with the keys. It has definitely helped saved space for my tiny Honda Civic.