I have received a Motobecane from bikesdirect and was going to do some of the assembly myself but was puzzled at the first step, putting on the front tire. I have had no experience with bikes for 25 years. The instructions are general and of no assistance. When I slip the fork down over the tire the prongs come to rest on threads and I know that won't do, to ride on threads. I stick the release rod through and secure it, placing the little springs on either side but hey, there's something, probably very obvious to the bike mechanic, that I'm just not understanding. Can anybody walk me thorugh this?