We purchased two sets of these and used them on the Yakima roof racks on our pop-up camper. Assembly took less than an hour and attaching the 4 bikes took only 30 mins. We had two bikes (one youth/one adult) that had thicker support bars, so we just took apart the crimp assembly, placed it around the supports and then ratcheted them down like they're supposed to. We traveled 600 miles at highway speeds and only had one tire wobble. Overall, we are very pleased with the cost and performance of these racks!
I bought this product for the price. A good value at the stated retail price, but couldn't pass up the clearance price. Right away upon opening, I was impressed with the effecient and careful packing. No scratches, dings, or damage. I found the instructions straightforward and easy to follow. All parts and hardware were present, and *** even includes a number of extra bolts, nuts, and washers (which is good becasue I inevitably drop ONE, and it ALWAYS rolls under the cabinet). The parts fit together very well. The trays are easily sized to fit a variety of cross bar sizes, shapes, and widths. This is my first roof rack that accepts fully assembled bikes, and I am very excited to test it out!! As with most assembly required products, the first one took about 45 minutes to assemble, including unpacking, finding parts, following the instructions, and mounting on my roof rack. The second one took about 30 minutes (including adjustments to the first tray which was already installed), and the third and fourth ones (I bought two of these products) each took about 5 minutes to assemble and about 5 minutes to install. Altogether about 90 minutes for 4 complete trays. I would make one recommendation to buyers which is not in the instructions: Completely assemble the trays and uprights, but only tighten the bolts enough to hold them sungly together (but still loose enough to slide the parts). When you go to mount them on your roof rack, this will make adjustments much quicker and easier. After you have each tray positioned and sized the way you want it on your roof rack, then tighten all the nuts and bolts. I would buy these again without hesitation, and probably will buy two more so that we can haul 6 bikes. I will try to revise my review once I have road tested it.
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