According to B. F. Goodrich's website, when asked to find the 245/40R17, it comes up with the g-Force T/A KD, which it indicates requires a wheel in the 8.5" - 10" width range. They don't list a 265 width. Like I said, I'm running 245/40R18's on the front, which according to B.F.G. (which are the tires I have) the wheel width should be 8" - 9.5". So, the theory of wheel size effecting the allowable width is valid, but you fall on the wrong side of the line.
Be prepared to spend some real money on tires of this ilke!