Funny - I just started another thread without seeing this one of the Yakima Forklift system for the OEM bars. Here's a link in case anyone is interested in bike racks as well.
http://x3.xbimmers.com/forums/showthread.php?t=565382
No, the Yakima clamps do not fully close around the bars, but I can assure you that they are secure after highway miles and the bumpy Chicago streets.