Will the rhino xtray fit a gen 2 with oem rails?

https://modesto.craigslist.org/pts/d/modesto-roof-rack-basket/6801548955.html


58" length 43" width

Also, if the basket weighs 46lbs and the oem rails can only support 75lbs, does that mean i can only carry 29lbs on the basket?

Thanks in advance!