When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
just an FYI not all 275's and 285's are created equal...its not an exact science at all. Example - Toyas tend to be on the wider side, as do P Zero's and S03's. Others are considered "narrower" despite having the same size.