Originally Posted by
wlkrofplnes
By rear fork thing, I mean the picture of the rear view of the bike. Compared to road bikes(which have narrower and straight tubes), mines branches out and is curved. I don't know what it's called but its the two top bars on the rear triangle.
Sorry, my knowledge on bike anatomy is limited but I hope you guys know what I mean.
You are talking about the seatstays (the part of the bike frame that goes up from the rear wheel dropouts to the seat tube near the top tube). That style of seatstay is not terribly uncommon, and will not be a problem.