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The flush design keeps the crossbars tight to the roofline, giving your setup a clean, factory-style look. Nothing sticks out past the sides, so it blends in naturally and stays low profile. The complete system includes 2 WingBar Edge crossbars and 4 Edge Raised Rail feet, creating a solid, integrated appearance that’s built to handle real travel use.
Long drives can get noisy with poorly designed racks, but these aero-style bars are built to handle airflow smoothly. The aerodynamic shape helps reduce wind noise and vibration, while the split rubber strips in the top channels close around accessories to limit that annoying whistling you get from open slots. It’s a smarter design for quieter trips on the highway.
Whether you’re hauling kayaks, cargo boxes, or snow gear, this rack is ready for it. The aero crossbars work with accessories that mount in the top channels or clamp around the bars, so you can use a wide variety of carriers without needing special adapters. It’s versatile enough to handle bikes in summer and ski gear in winter—all on one sturdy setup rated for 165 lbs (always stay within your vehicle’s load limit).
Most racks make you cut rubber strips to fit your gear mounts. These split channel strips skip that hassle. You just slide your accessory into place and the strips close back up around it. That means easier installs, cleaner fitment, and less time fussing with tools when you’d rather be loading up and heading out.
You can add Thule’s One-Key System locks (sold separately) to secure both the rack and any channel-mounted accessories. It’s an easy way to keep your gear safe when you park at a trailhead or stop overnight on a trip. The aluminum construction and limited lifetime warranty round out a setup that’s dependable for years of use.
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.