According to the reviews and rip off report, the site is legit and they indeed sell pocket bikes. What people are not in agreement on is the site's reliability because they seem to take awfully long to deliver purchased products. Check out some of these reviews on www.xomreviews.com/usa-pocket-bikes.com.
Hi yes it is a legit site, not a bad site either. Here is another one you can also purchase thru www.pocketbikes101.com they aren't bad, most of the products are there. if you cant find something ask the guys who run the site thru the contact form and they will get what you want added on there.