Caveat disclosure - I have a 1Up rack for my own use after looking at a lot of racks including Thule, Yakima and Kuat. I even bought a Kuat NV and later sold it in the box when I decided to go with the 1Up.
Caveat disclosure #2 - I haven't been riding since I got my X about a month ago so my use experience is based on my previous car, but I don't imagine any issues when I use it on my X.
The silver 1Up double is $80 cheaper ($529) if you aren't hung up on black. You can also get a single (silver) 1Up with an add-on for even cheaper ($299+$199=$498 for regular duty, but the hitch is 1.25" with a 2" adapter included).
Also, there are accessories for the 1Up that allow it to hold bikes with tires up to 4.9" wide if that is another issue (though it is only available in silver).
Other advantages of the 1Up are:
- bike spacing is not fixed so there are no adjustments to fiddle with to line up bikes, just roll them further forward or backward before you lock them in place.
- no contact with rims or frame anywhere
- comes in single tray models that can take up to 2 extenders allowing full 1, 2, and 3 bike flexibility
- also comes in the more typical double tray models with up to 2 extenders for 2, 3 and 4 bike flexibility
- has a heavy duty option for up to 75 lbs per tray
- rack folds into an extremely small, more square footprint with just 2 levers (arms fold forward for about half the total length)
- If you want a 2" hitch then the regular double rack or the single super-duty rack have it. The regular single rack has a 1.25" hitch and comes with a 2" adapter if you don't mind dealing with adapters
For my own needs, my solution was to go with a super-duty single rack because it has a built-in 2" hitch and I often have just one bike (riding alone or meeting friends who drive separately). I got one extension for the times when I need 2 bikes and have an older 4-bike hanging rack if I ever need more than that.
