Rear mounted racks like the Bones or hitch mounts have the added benefit of using your car as a shield to protect your bike from bugs, high pressure rain, and debris kicked up by other vehicles.

@nickf, thanks for that lead. Had never heard of this...

It sounds like an incredibly interesting product... google helped me find this.

http://www.seasucker.com/lifestyle/bike-racks" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;

http://www.youtube.com/watch?v=DBHN9Lty ... creen&NR=1" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;