ok, so i bought an a3. everything seems to be going wrong in switching all my parts onto it..... now i think iv threaded the bb. i attempted to put in the driveside first, put it a bit in, and thought that it was way too stiff and mustnt be right. took it off. put it on again. went into the same line started becoming ridiculously hard to screw in when i was about half way. so i stopped. turned the bike round, and the axle sticking out the non driveside wasnt centered!!! every time i try putting it in it follows that path. have i cross threaded it, is there anything i can do about it?? soooo pissed off. rudi