Link wheels is well organized groups of blogger, word press, squidoo, hub pages, article, blogs,etc. that link to each other and to the main website, and then have links built to them from blogs and profile websites. In other word you can tell that Link wheel is not anything but a wheel, in SEO terms your website will be at the focus point and all the article and press released and blogs linking to the website and all these blogs and article and press released are linked to each other.
benefits of link wheels
Google keep on varying its algorithm to keep its search results relevant and truthful. In the same method, when Google gives importance to a particular site for let’s say a particular keyword, it checks how many high authority and high Page rank sites are pointing to that site. In this process, it’s always better to put an indirect link to these sites, for the reason that they will not only index the site fast but also make the back link strong enough to be considering by Google. So mainly you will get the high PR back and link juice will increase the SERP sufficiently. With the help of link wheel net site traffic can also be increased as part of a wider link campaign.