I have recently purchased 3 of these mounts--overall, the installation is a snap, and they are hold the bike solidly to the roof (much more solid than my 10 year old Thule mounts). However, I have noticed that there appears to be a design flaw with the quick release. There is a small ring/washer inside the QR that allows for the QR to be locked, if rotated by a lock cylinder. If you don't purchase a lock cylinder, the QR should never lock. During my first road trip with this mount, I did not yet own a lock cylinder. After driving hundreds of miles, I tried to remove my bike, and found the QR to be completely locked (no lock cylinder installed)! I couldn't remove my bike from the car! After yankng on the QR lever as with all my body weight, and the lever wouldn't budge, I decided to investigate further. I popped the plastic cover off that protects the lock cylinder bore, and saw that the aforementioned ring/washer had rotated during travel. I had to insert a screw driver into the lock cylinder bore of the QR, and manually rotate the ring until it released the QR. What a pain! This has happened to me with all 3 QR's that I have purchased. I think I have been able to get around the issue by first, making sure all the ring/washers are in the proper orientation, and then second, installing a lock cylinder. As long as you make sure the washer is not rotated by 180 degrees, the lock cylinder will prevent the washer from "accidentally" rotating and locking the QR lever.I never had any issues with my old Thule mounts.....I think Rock Mounts needs to address this issue. I would say 5 starts for the overall mount, but only 2 stars due to the frustration that the QR lever has caused me. If RM can fix the issue, I would highly recommend.
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