Originally Posted by sdimattia

If you don't have any experience buying bikes (in person or online) then yes, maybe buying a bike online for the first time will be overwhelming with regards to purchasing the correct frame size. Especially since it is online and you can't size it in person. If you are familiar with what size you might want (also ask around for references/comparisons here on the forum), then there's no reason to not buy online. Even for the most mechanically challenged, most information can be had on the internet, particularly on Youtube. And as jay4usc mentioned, Wabi's come 90% assembled. I'd avoid huge sport stores like Dick's as their bike skills and knowledge tend to be lacking.