Once the bike is on the rack, it works fine. I switch between kayak and bike racks regularly, and this bike rack is a pain to put on and tack off. You have to push the retaining lug (hard to do), remove a small locking cap and the retaining lug, slide the clamp out, make sure you don't lose the two very small parts, then you can proceed to unmount the bike rack.
Second, the locking mechanism sticks pretty out from the side, creating an unattractive appearance.
Third, if the clamp is adjusted for your bike, if the bike is not on the rack, the clamp flops around. If you tighten the clamp to prevent it from flopping, you need to tediously readjust for the bike fork while you're holding the bike up on the rack. It is a lot easier to adjust than the knurled thumb wheel inside my older Thule rack.
On the plus side, the rear tire hold down clamp is easy to use.

I bought two of these about 2 years ago. The racks are no longer adjustable due to corrosion in the adjustment knob. I have had lots of racks from Yakima to Inno and now Thule. The Thule product is the worst. Also, when trying to mount the bike, the rear tire will slide off the convex tray and will dent the roof of the car if you're not very careful. Find another rack.

Don't walk away from your vehicle with your bike on rack, very easy to defeat lock mechanism.

I shall use this when we want to transport both bikes. The set up was fairly easy, and the instructions were clear. My only issue is with the fork skewer. Due to the way it's made, you can't install it and leave it on the rack. The end cap isn't tight and would just fall off, so I'll need to keep it in the car, and install when needed.

Never bought anything from Thule before. Bought these straps for my new, old sailboat to use when I trailer it. They're strong, hearty, and I also like the rubber cover so it doesn't scratch the Fibeglass.
Will come back here again in the future.
Tim

I have had mine for a few years and it still works fantastic.

I bought and installed the circuit bike rack. Average easy to install, I have a thru-Axle adapter attached on it. It works well, it is reasonably sturdy yet not as solid as my old Yakima mount. I generally recommend it, does the job without reservations.

Not only is this product ingenious, the fit and finish is like all Thule's products. Can say enough about products from people that care about quality.

These loops are easy to use. I use them on a Crosstrek without a problem. A little expensive for what they are made of.

I've had the Thule Circuit racks for about 10 years, most of which they have stayed on the car year-round. We live in the Northeast, so plenty of snow, rain, salt, etc. in the winter and have never had an issue with the skewer adjustment. They hold the bikes securely, lock for added security and do just what we need.