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The flush design keeps the crossbars tight to the roofline, giving your setup a sleek, from-the-factory style. Nothing extends past the towers, so the rack blends in and keeps a low profile. The WingBar Edge looks clean and intentional, not like an afterthought bolted on top.
These aero-style crossbars are shaped to reduce wind resistance and vibration while you’re driving. The split rubber strips fill the top channels to keep airflow smooth and quiet. You don’t have to trim anything to use the channels—just slide your accessory in and let the strips close back into place. The result is less noise and a calmer ride at highway speeds.
This rack is built for versatility. The top channels accept channel-mount accessories, while the bar shape also works with clamp-on gear. Whether you’re carrying bikes, skis, kayaks, or a cargo box, it’s ready to secure your setup for every season. It’s a solid way to make one rack do it all.
The aluminum construction keeps things lightweight yet sturdy for all kinds of cargo. Each bar measures 44-1/2" long x 3-1/8" wide x 1" tall and supports up to 165 lbs when used within your vehicle’s roof load limits. It’s built for heavy-duty hauling without flexing or wobbling under pressure.
You can add Thule One-Key System locks (sold separately) to deter theft of the rack and any channel-mount accessories. It’s an easy upgrade that keeps your gear secure when parked overnight or away from sight.
Ratings & Reviews

Jenny N.
3/15/2023
I agree with you that the rack should include the keys however Thule only offers the one lock system separately as part # TH450400 for a 4 pack. They do it this way so that if you have other Thule accessories like a Thule kayak or bike carrier then you can have the option of ordering enough keys to swap them all out to key them the same. For example you can also buy a six part part # TH450600 or an eight pack like part # TH450800.

Victoria H.
3/20/2025
That's impressive Clare! Its always nice when install is a breeze. What are you planning on mounting on your roof rack?
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Gwendolyn Y.
1/8/2026
Congrats on your new Benz! Sounds like a fun and exciting Christmas morning. I'm only slightly jealous of that tandem bike, I've always wanted to ride one.