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When you’re loading up kayaks, canoes, or a cargo box for a big trip, you want bars that can handle the weight with confidence. The Thule SquareBar Evo system includes two 53" long galvanized steel crossbars with a 220 lb weight capacity. The solid steel construction gives you the stability you need for longer hauls and heavier setups without flexing or shifting on the road.
Nothing’s worse than gear that slides around mid-drive. The polymer coating on these square bars adds extra grip, helping your cargo stay put while also guarding against corrosion. That surface texture keeps clamps and straps more secure, so your kayak cradles or cargo box stay right where you tighten them down—trip after trip.
These classic square crossbars are built for versatility. Their shape works with the wide range of clamp-on accessories many outdoor folks already own—everything from bike racks to ski carriers and rooftop boxes. It’s a simple, straightforward setup that makes it easy to attach your favorite gear and head out without adding special adapters.
You can add Thule’s One-Key System locks (sold separately) to deter theft of the rack. It’s an easy way to boost peace of mind when your vehicle is parked overnight or at a trailhead, and it integrates right into the Evo Clamp feet without complicating your setup.
The Thule SquareBar Evo roof rack includes 2 SquareBars, 4 Evo Clamp feet, and a custom fit kit for a clean installation on your vehicle’s naked roof. With its steel build, black finish, and limited lifetime warranty, it’s made to stay strong and look good through years of road trips, paddle adventures, and everyday hauling.
Alternate Instructions
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.