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These crossbars are built from galvanized steel that’s made to handle serious weight. The Thule SquareBar Evo Roof Rack has a 220-lb capacity, so you can load up your kayaks, cargo boxes, or camping gear without worry. The steel bars stay rigid under stress, giving you solid support for long drives and rough roads.
A polymer coating wraps each 53" bar to give your cargo better grip and to help prevent corrosion. It’s a smart detail that keeps your setup looking good while helping your gear stay in place. Rain, sun, or road grime—your rack stays protected and ready for whatever you’re hauling next.
The square shape of these bars makes it easy to use a wide range of clamp-on accessories. Whether it’s a kayak carrier, ski rack, or storage box, the overhang design gives you flexibility for different setups. You can switch out attachments depending on the season or trip without any special adapters.
For extra security, the rack is compatible with Thule One-Key System locks (sold separately). Add them to help deter theft when you’re parked at a trailhead or campsite. One key controls everything, so locking up takes only seconds before you head out on your next adventure.
This complete system comes with two SquareBars, four Evo Clamp feet, and a custom fit kit for your vehicle’s naked roof. Once installed, the setup stays snug and stable. You get a dependable foundation ready for whatever gear your next trip calls for.
Ratings & Reviews

James 2.
11/18/2021
After having the rack on my car for about a year I can say the bars are still pretty noisy even with my modification. I know theyre square bars and by definition square bars are noisy but I frankly think Thules design of the feet that attach the bars to the roof is not particularly aerodynamic either and so the feet are contributing significantly to the wind noise, too. I bought square bars because I have some older roof attachments that were designed for square bars and I wanted to reuse them instead of having to buy all new ones for a different bar shape. The old attachments fit just fine on these bars so Ill save the money and live with the wind noise.

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.

Jeff B.
12/15/2021
The crossbars are great. I’ve used it many times for my kayak using it with Thule kayak carrier. To eliminate the whistling sound I ed some insulation foam in each end of the bars. Now it’s totally quiet.

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.