That self centering feature on the Saris racks sounds cool, but I tend to manipulate my rack a little and put wheels, etc. on the outside of the tower, but typically only on one side of the car. I've also been known to put a bike outside the towers, though, so you can't really take anything I say as being sage advice. Just something to consider. I've had a Yakima rack for probably 7 years now and it's been great. I might suggest, if you like your car's finish, that you not leave it on all the time, though. You'll get some grit under part of one of the rubber feet and it'll do wonders for your paint/clear coat!